Actron CP9087 manual

® CP9087 TM PROFESSIONAL PULSE 9V BATTERY TEST: 1) SET RANGE TO HIGH. 2) SET FUNCTION TO OHMS. 3) DISCONNECT ALL LEADS. O.K. IF TOPMOST TEST LIGHT IS ON. WEAK IF ANOTHER LIGHT IS ON. RANGE FUNCTION IGNITION MODULE & ENGINE SENSOR TESTER TEST RICH LEAN Select LOW, VOLTS HIGH LOW POWER OFF VOLTS OHMS FREQUENCY SIGNA[...]

V ehicle Service Info Vehicle Service Manuals from General Motors Corporation Buick, Cadillac, Chevrolet, GEO, GMC, Oldsmobile & Pontiac Helm Incorporated Post Office Box 07130 Detroit, MI 48207 Saturn Adistra Corporation c/o Saturn Publications 101 Union Street Post Office Box 1000 Plymouth, MI 48170 Vehicle Service Manuals from Ford Motor Com[...]

Index i Vehicle Service Information ...................... Inside front cover Safety Precautions ............................................................... ii Tester Basics ............................................. 1 -1 Testing Sensors .......................................... 2-1 • Troubleshooting Tips .................................[...]

6-3 ii General Safety Guidelines to Follow When Working on Vehicles • Always wear approved eye protection • Always operate the vehicle in a well-ventilated area. Do not inhale exhaust gases – they are very poisonous! • Always keep yourself, tools, and test equipment away from all moving or hot engine parts. • Always make sure the vehicle [...]

1 1-1 Section Tester Basics — Description of Controls and Accessories — Installing and Checking the 9 Volt Battery Note: Detailed procedures for testing sensors and ignition modules are located in Section 2 (sensors) and Section 3 (ignition modules). Controls power to the Tester and selects measure- ment range sensitivity (as required by variou[...]

Section 1 1-2 3 TEST Lights A single TEST light turns on to show the level of a measured signal (voltage, resistance or frequency). When signal values are low, the TEST light is off or near the bottom of the column. The TEST light moves higher up the column as the signal level increases. Sensor tests involve working the sensor and watching the TEST[...]

PULSE 9V BATTERY TEST: 1) SET RANGE TO HIGH. 2) SET FUNCTION TO OHMS. 3) DISCONNECT ALL LEADS. O.K. IF TOPMOST TEST LIGHT IS ON. WEAK IF ANOTHER LIGHT IS ON. RANGE FUNCTION IGNITION MODULE & ENGINE SENSOR TESTER IGNITION MODULE & ENGINE SENSOR TESTER TEST RICH LEAN Select LOW, VOLTS HIGH LOW POWER OFF VOLTS OHMS?[...]

Section 1 Tester Bas ics 1-4 8 Used when checking some ignition modules. Makes extra connections as required for testing. Jumper Lead 9 Connector Pin Adapters Used for easier attachment of test leads to certain sensor or wiring connector pins. • Push one end of the adapter onto the desired connector pin. • Grasp the other end with the test lead[...]

2-1 Section 2 Section 2 Testing Sensors T r oubleshooting Tips Save yourself time! Always begin with a thorough visual and “hands-on” inspection. You can often find the cause of many problems by just looking. • Has the vehicle been serviced recently? Sometimes things get reconnected in the wrong place, or not at all. • Don’t take shortcut[...]

Section 2 2-2 Engine TEMPERA TURE What to Inspect Sensor operation (see test on page 2-4). Poor connections at sensor or computer. Faulty sensor wiring (open or short circuits). Heavy deposits on sensor tip which can cause poor response. Leakage into sensor housing. Engine running too hot (problems with antifreeze, thermostat, water pump, fan, belt[...]

2-3 Air TEMPERA TURE What to Inspect Sensor operation (see test on page 2-4). Poor connections at sensor or computer. Faulty sensor wiring (open or short circuits). Heavy deposits on sensor tip which can cause poor response. Restricted or blocked air passageways. Engine running too hot (problems with antifreeze, thermostat, water pump, fan, belts, [...]

Temperature Sensor Test Procedure Use this procedure for testing all engine coolant or inlet air temperature sensors. Exceptions: • Certain Toyota, Nissan and Ford engines using vane airflow sensors have the air temperature sensor built into the vane airflow assembly. Refer to page 2-40 for testing. • GM 1988 2.8L Mass Airflow Sensor (5 pin onl[...]

2-5 Engine Air TEMPERA TURE 6) Verify test clips make good contact and do not touch each other. Make sure red and green test clips are not touching anything. 7) Set RANGE switch to HIGH. 8) Set FUNCTION switch to OHMS. 9) Note TEST light position on tester. If the sensor is good, the light will move downwards as the sensor heats up. 10) On-Car test[...]

2-6 T esting Sensor s Section 2 TYPICAL THROTTLE POSITION SENSORS Throttle Position Sensor The throttle position sensor is a potentiometer - a type of variable resistor (similar to a dashboard dimmer control). These sensors come in a wide variety of styles - some with connectors at the end of a short wire “pigtail”. The computer supplies power [...]

THRO TTLE POSITION Sen sor/Switch 2-7 • Sometimes a second switch is used to signal a wide open throttle condition. This switch is normally open (or closed - depends upon vehicle) when the throttle is at idle or just partially open. The switch operates when the throttle is opened beyond a certain point. (The amount of throttle opening required to[...]

2-8 T esting Sensor s Section 2 Some sensors require more than one test. Throttle Position Sensor Connectors Note: If the Red and Black test lead hook-ups are reversed, the TEST light will move in the opposite direction during Test A. This does not affect the accuracy of the test or harm the sensor. = Test A, page 2-10 = Test B, page 2-12 A B Refer[...]

2-9 THRO TTLE POSITION Sen sor/Switch TOYOTA B A Black Y ellow Red Black Y ellow A B B Red Black Y ellow Black Y ellow Black Y ellow TOYOTA/NISSAN B B Y ellow Black Black Y ellow Not used on some vehicles. Perform this test only if vehicle mating connector has 3 wires. Some sensors have cable attached here. Testing is identical. Not used on some ve[...]

2-10 T esting Sensor s Section 2 TEST A - Throttle Position Sensor Important: If more than one hook-up is shown, it means more than one test is required to check all parts of the sensor. Do all tests shown for your sensor. The letter next to the hook-up refers to the test procedure. Sensor may be tested on or off vehicle. (Exception: On-car test on[...]

2-11 THRO TTLE POSITION Sen sor/Switch 7) Honda only: 1988-92 Civic and CRX – Remove vacuum hose from dashpot diaphragm. – Apply 20 in. Hg to the dashpot diaphragm using a hand vacuum pump. – The dashpot diaphragm is part of the throttle body assembly. It is used to control cold engine fast idle and throttle closure speed so engine will not s[...]

TEST B - Throttle Position Switch Important: If more than one hook-up is shown, it means more than one test is required to check all parts of the switch. Do all tests shown for your switch. The letter next to the hook-up refers to the test procedure. Switch may be tested on or off vehicle. Warning: Observe all safety precautions (see page ii) if te[...]

FUNCTION VOLTS OHMS FREQUENCY THRO TTLE POSITION Sen sor/Switch 2-13 RANGE HIGH LOW POWER OFF 7) Set RANGE switch to HIGH. 8) Set FUNCTION switch to OHMS. 9) Operate sensor - Watch TEST light for results. On-Car test: Slowly move throttle linkage back and forth from idle to wide open position. Off-Car test: Slowly rotate sensor element [...]

2-14 T esting Sensor s Section 2 Sensor operation (see page 2-15). Poor connec- tions at the sensor or computer. Damaged or sticking EGR valve. Worn or broken vacuum hoses, vacuum connectors. Damaged vacuum reservoir, canister. Problems with control solenoids supplying operating vacuum to open EGR valve. What to Inspect When to T est • Related tr[...]

EGR V alv e P osition/Lift Sensor s 2-15 EGR Valve Position Sensor Test Procedure Sensor may be tested on or off vehicle. Warning: Observe all safety precautions (see page ii) if testing sensor on vehicle. 1) Verify ignition key is OFF. 2) Check Tester battery Refer to page 1-4. Set RANGE switch to POWER OFF when done. 3) Disconnect wiring harness [...]

2-16 T esting Sensor s Section 2 Off-Car test: Slowly push sensor element back and forth from end to end. • Good Sensor - TEST light smoothly moves up or down as sensor is operated. (The TEST light may go off if it moves to the bottom of the column - this is O.K.) Range of TEST light movement varies with sensor type and vehicle mounting. • Bad [...]

EGR V alv e P osition/Lift Sensor s 2-17 Sensor Connectors Black Red Y ellow Note: If the Red and Black test lead hook-ups are reversed, the TEST light will move in the opposite direction during the test. This does not affect the accuracy of the test or harm the sensor. FORD Y ellow Red Black Red Black Y ellow HONDA – #2 HONDA – #1 Honda uses t[...]

2-18 T esting Sensor s Section 2 Location The sensor is threaded into the exhaust manifold to give it direct contact with the exhaust gases. How it is used? The computer uses this sensor to calculate optimum air/fuel mixture for low emissions and good fuel economy. If the sensor indicates a rich exhaust (not enough oxygen because of too much fuel),[...]

OXYGEN 2-19 IMPORTANT: Some engines (usually off-road applications) use a titania-type oxygen sensor. This sensor resembles the common zirconium type, but has an open-ended tip. The titania sensor changes resistance when it operates. This tester is not designed to test the titania type sensor. When to T est • Related trouble codes sent by compute[...]

2-20 Sensor T ypes T esting Sensor s Section 2 1-Wire: Single wire goes to sensor SIGNAL. Sensor housing is connected to sensor GROUND. 2-Wire: One wire goes to sensor SIGNAL. Second wire goes to sensor GROUND. Refer to vehicle service manual for wire identification. (Sensor wire is often black.) 3-Wire: Two wires (often the same color) go to the s[...]

2-21 OXYGEN Heating Element Test • Do this test if sensor has a heating element (3 or 4 wire connector). • If sensor has 1 or 2 wire connector, do not do this test. Go directly to On-Car Test (page 2-22). Warning: Observe all safety precautions (see page ii) if testing sensor on vehicle. 1) Verify ignition key is OFF. 2) Check Tester battery Re[...]

2-22 T esting Sensor s Section 2 On-Car Test Important: Reliable testing of the oxygen sensor while on-vehicle is very difficult because test conditions cannot be well controlled. If the sensor responds during on-car testing, then it is probably good and no other testing is necessary. If the sensor does not seem to respond when tested on-car, remov[...]

OXYGEN 2-23 8) Observe RICH/LEAN lights during fast idle. • The TEST light column also indicates sensor voltage, but it is easier to check operation by watching the RICH/ LEAN lights.) • Maintain throttle partially open (2000 RPM idle). – IF the RICH/LEAN lights flash back and forth every 3 seconds or less... THEN the sensor is good and no fu[...]

2-24 T esting Sensor s Section 2 Off-Car Test Warning: This test involves use of an open flame from a propane torch. Observe all safety precautions for torch operation. Do not use near flammable material or gases. 1) Verify ignition key is OFF. 2) Check Tester battery Refer to page 1-4. Set RANGE switch to POWER OFF when done. 3) Disconnect wiring [...]

OXYGEN 2-25 11) Observe RICH/LEAN lights while operating sensor. • After sensor tip is hot. move the flame until the sensor tip is completely surrounded by the flame. This keeps oxygen away from the tip. See Fig. 2. – Good Sensor: RICH light turns ON within 3 seconds indicating a “rich” (low oxygen) condition. – Bad Sensor: RICH light tak[...]

2-26 T esting Sensor s Section 2 What to Inspect Sensor operation (see test on page 2-27). Poor connections at sensor or computer. Faulty sensor wiring (open or short circuits). Spark timing. Bad fuel quality. When to T est • Related trouble codes sent by computer. • Knocking during cruise or hard acceleration (not enough spark retard), hesitat[...]

RANGE HIGH LOW POWER OFF Engine KNOCK 2-27 Knock Sensor Test Procedure Sensor may be tested on or off vehicle. Warning: Observe all safety precautions (see page ii) if testing sensor on vehicle. 1) Verify ignition key is OFF. 2) Check Tester battery (refer to page 1-4). 3) Disconnect wiring harness from sensor - Inspect for damage. 4) Connect[...]

2-28 T esting Sensor s Section 2 The computer needs to know air pressure both outside and inside the manifold to properly adjust the air/fuel mixture and ignition timing for varying engine load and altitude conditions. On turbo- charged engines, the computer also uses the sensor to monitor boost pressure and operate the wastegate accordingly. How i[...]

Manifold Absolute Pr essur e MAP/B ARO 2-29 Location The sensor is mounted either on the bulkhead, air cleaner, throttle body or elsewhere in the engine compartment. A vacuum hose connects the sensor to a strong source of manifold vacuum. (Some new MAP sensor types may be directly mounted to the manifold, eliminating the vacuum hose connection.) Th[...]

2-30 T esting Sensor s Section 2 Manifold Absolute Pressure (MAP) Sensor Test Procedure Testing is done on-vehicle. Warning: This test involves running the engine. Observe all safety precautions (see page ii). Work in well-ventilated area. 1) Verify ignition key is OFF. 2) Check Tester battery Refer to page 1-4. Set RANGE switch to POWER OFF when d[...]

2-31 • Note: If the TEST light is OFF a problem exists. Go to step 9 and continue testing to find cause. 8) Operate sensor - Watch TEST light for results. (Note: Ignore any PULSE light action.) Non-Turbo Engines only: Start engine and let idle. Turbo Engines only: Attach hand vacuum pump to sensor vacuum port. Apply 18 in. vacuum. (More than 25 i[...]

T esting Sensor s Section 2 2-32 11) Check MAP sensor power circuit. Keep sensor connected to vehicle wiring. • YELLOW test lead to sensor POWER circuit. Use backprobe adapter. • BLACK test lead to good vehicle GROUND. • RANGE on HIGH. • FUNCTION on VOLTS. • Ignition key ON. Good power circuit: Top (or next to top) TEST light ON. Go to ne[...]

2-33 Manifold Absolute Pr essur e MAP/B ARO 14) Check MAP signal wire for short to ground. •Verify ignition key OFF and MAP sensor wiring harness disconnected. • RANGE on LOW. • FUNCTION on OHMS. • YELLOW test lead to MAP signal pin on vehicle harness connector. • BLACK test lead to good vehicle GROUND. Good circuit (no short): TEST light[...]

2-34 T esting Sensor s Section 2 FLOW - F + Typical MAF Sensor • Related trouble codes sent by computer. • Driveability problems such as hard starting, rough idle, stalling, hesitation, stumble, surging, knocking (pinging), poor fuel economy, black exhaust smoke, backfiring, catalytic converter overheating or no torque converter lock-up. When t[...]

Mass Air Flow MAF 2-35 Vehicle Harness Connectors for MAF Sensor (Mating side of connector shown.) Refer to vehicle service manual for connectors not shown. MAF SIGNAL GROUND POWER MAF RETURN RANGE on HIGH FUNCTION on VOLTS POWER MAF SIGNAL GROUND MAT SIGNAL MAT RTN POWER GROUND MAF SIGNAL 1988 and Older RANGE on LOW FUNCTION on FREQUENCY 1988 2.8L[...]

2-36 T esting Sensor s Section 2 Vehicle Harness Connectors for MAF Sensor (Mating side of connector shown.) = May not be used Refer to vehicle service manual for connectors not shown. 1985-86 Maxima 1985-86 300ZX 1985-86 300ZX Turbo Power Ground MAF Signal Power Ground MAF Signal Power Ground MAF Signal Power Ground MAF Return MA[...]

Mass Air Flow MAF 2-37 Mass Air Flow (MAF) Sensor Test Procedure Testing is done on-vehicle. Warning: This test involves running the engine. Observe all safety precautions (see page ii). Work in well-ventilated area. 1) Verify ignition key is OFF. 2) Check Tester battery Refer to page 1-4. Set RANGE switch to POWER OFF when done. 3) Connect test le[...]

2-38 T esting Sensor s Section 2 – Note: If test results are O.K. but a computer trouble code indicates a bad sensor signal, the wire between the sensor signal pin and the computer may be open. – Testing is complete. Problem exists (Bad sensor or wiring): – TEST light position does not change during test. – Go to step 9 and continue testing[...]

Mass Air Flow MAF 2-39 12) Check MAF sensor ground circuit. • Same set-up as previous step, but move YELLOW test lead to sensor GROUND circuit. Do not probe MAF RETURN pin. Use backprobe adapter. Good ground circuit: TEST light OFF. Go to next step. Bad ground circuit: Any TEST light ON. Repair open in ground circuit wiring, then retest. 13) Chec[...]

2-40 T esting Sensor s Section 2 Sensor operation (see tests on pages 2-43 through 2-44). Poor connections at sensor or computer. Faulty sensor wiring (open or short circuits). Airflow obstructions in ductwork or clogged air filter. Binding pivot on vane “door”. Air leaks around sensor or throttle body. What to Inspect When to T est • Related[...]

12 3 4 56 7 12 3 4 56 7 12 3 4 56 7 12 3 4 56 7 V ane Air Flo w V AF 2-41 Sensor Connectors Re d Y ellow Black #1 T oy ota A * A * #2 Y ellow Red Black C Black Y ellow B Black Y ellow *Toyota uses two sensor types. Try hook-up #1 first. If good test results are not obtained, retest using hook-up #2 before judging sensor. Y ellow Red Black Black Bla[...]

2-42 T esting Sensor s Section 2 TEST PREPARATION: All Air Flow Meter Sensor Tests IMPORTANT: • Test all hook-ups shown for the sensor. • The letter next to the hook-up refers to the test procedure for that hook-up. • Each hook-up should test O.K. Exception: If two hook-ups are marked with an asterisk (*) only one of the two hook-ups has to t[...]

Mass Air Flow MAF 2-43 TEST A - Air Flow Meter Sensor Warning: Observe all safety precautions (see page ii) if testing sensor on vehicle. 1) Do all Test Preparation steps. Refer to page 2-42. 2) Connect test leads. • Connect TEST leads according to diagram A in the component drawing. • Important: If two hook-ups are marked with an asterisk (*) [...]

2-44 T esting Sensor s Section 2 TEST B - Air Temperature Sensor Warning: Observe all safety precautions (see page ii) if testing sensor on vehicle. 1) Do all Test Preparation steps. Refer to page 2-42. 2) Connect test leads. Connect TEST leads according to diagram B in the component drawing. 3) Verify test clips make good contact and do not touch [...]

Mass Air Flow MAF 2-45 Test C - Air Flow Meter Position Switch Warning: Observe all safety precautions (see page ii) if testing sensor on vehicle. 1) Do all Test Preparation steps. Refer to page 2-42. 2) Connect test leads. Connect TEST leads according to diagram C in the compo- nent drawing. 3) Verify test clips make good contact and do not touch [...]

2-46 T esting Sensor s Section 2 What is It and How is It Used? — The computer needs to know rotational speed (or position) of the engine crankshaft/camshaft for controlling ignition and fuel injector systems. If the computer is handling a Distributorless (or Direct) ignition system or controlling the operation of individual fuel injectors, it al[...]

Cr anks haft/Cam shaft P os ition 2-47 The optical crank angle sensor consists of a light source, a light detector (photo-electric cell) and a rotor plate, which is a slotted disk. Since the distributor shaft and/or camshaft are linked to the rotor plate, they move together. As the rotor plate rotates, the slits on the disk interrupt a beam or ligh[...]

2-48 T esting Sensor s Section 2 Where is It? — Crankshaft Position, Crank Angle, Flywheel, Distributor Pick-Up, Camshaft Position, Cylinder, TDC and RPM. The sensor is usually located inside the distributor (if the engine has one). Vehicles without a distributor have the sensor located in various places around the engine where it can be mechanic[...]

2-49 Test A - Magnetic Reluctance Type Sensor Testing is done on-vehicle. DO NOT test vehicle speed or driveshaft type sensors since they require vehicle motion. Warning: Observe all safety precautions (see page ii) when testing sensor on vehicle. 1) Verify ignition key is OFF. 2) Check Tester battery Refer to page 1-4. Set RANGE switch to POWER OF[...]

2-50 T esting Sensor s Section 2 Observe all safety precautions (see page ii) - engine may start or backfire. Note: Some computer systems will store a trouble code in memory (and turn on the “Check Engine” light) if engine is cranked with sensor disconnected. Ignore or erase the code after testing. Refer to vehicle service manual. – Wheel Spe[...]

2-51 Test B - Hall Effect Type or Optical Type Sensor Sensor may be tested on or off vehicle. Warning: Observe all safety precautions (see page ii) if testing sensor on vehicle. 1) Verify ignition key is OFF. 2) Check Tester battery Refer to page 1-4. Set RANGE switch to POWER OFF when done. 3) Disconnect wiring harness from sensor - Inspect for da[...]

2-52 T esting Sensor s Section 2 On-Car test: Crank engine. STAY AWAY from moving engine parts. Observe all safety precautions (see page ii) - engine may start or backfire. Good sensor - PULSE light flashes or stays ON during cranking (varies with sensor type). Bad sensor - PULSE light OFF during cranking. Note: Some computer systems will store a t[...]

3-1 Section 2 3 Section T esting Ignition Modules T r oubleshooting Tips Save yourself time! Always begin with a thorough visual and “hands-on” inspection. You can often find the cause of many problems by just looking. Has the vehicle been serviced recently? Some- times things get reconnected to the wrong place, or not at all. Poor grounding ca[...]

Ignition Module Test Procedure GM • Ford • Chrysler • Toyota • Honda • Nissan Important: • This test checks for “dead” modules causing a no-start. This test will not detect intermittent failures due to heat or engine vibration. • Refer to vehicle service manual for module location, removal and installa- tion procedures. – Module[...]

IGNITION MODULES 3-3 GM 7 & 8 pin modules only: – Reconnect test leads as shown in Test 2 diagram. – Observe PULSE light. It should NOT be flashing. If PULSE light flashes, module is bad. – Short pins E and R together using paper clip (or other metal jumper). – Observe PULSE light for test results. • Flashing light means good module. [...]

T esting Ignition Modules 3-4 Section 3 GM 4 and 5 pin BASE PLATE BUSHING * Test clip must touch both base plate and bushing * * Yellow Red Green Black Black Yellow Red Green[...]

3-5 GM 7 pin * * BASE PLATE BUSHING Test clip must touch both base plate and bushing * Black Yellow Red Green Blue Jumper T est 2 Black Yellow Red Blue Jumper * * Black Green T est 1 Yellow Red Black Yellow Red Green Green[...]

T esting Ignition Modules 3-6 Section 3 GM 8 pin PN GBRE +C C GB RE T est 1 PN GBRE +C C GB RE T est 2 Black Yellow Red Green SIDE VIEW END VIEW Green SIDE VIEW END VIEW Yellow Red Black Blue Jumper[...]

3-7 Ford Dura-Spark 456 3 2 1 SIDE VIEW END VIEW Blue Jumper Green Red Yellow Black Note: Dura-Spark ignition modules come in several versions with different connector types. Make connections based on ignition module wire colors . Other module wires not used for testing. Ford TFI Blue Jumper Black Yellow Green Red Red White Green Orange Black (or B[...]

789 6 5 4 3 2 1 T esting Ignition Modules 3-8 Section 3 Ford TFI-IV Test 1: Connect leads as shown. Test 2: Move Green lead to pin 5. Other leads remain in original position Yellow Black Green Red END VIEW SIDE VIEW Green END VIEW SIDE VIEW Red Yellow Black Test 1: Connect leads as shown. Test 2: Move Green lead to pin 5. Other leads remain in orig[...]

3-9 Chrysler 4 and 5 pin 5-pin type shown. 4-pin uses same hook-up. Magetic Reluctance Pick-up 5 4 3 2 1 Hall Effect Pick-up 1 2 3 5 4 Red Black Red Yellow Green Green Black Yellow[...]

3 2 1 4 3 2 1 4 T esting Ignition Modules 3-10 Section 3 Red Black Yellow Red Yellow 1 2 3 4 Honda Connect BLACK test lead to igniter mounting holes or a metal ground inside distributor. Green Red Black Yellow Green Green[...]

IMPORTANT 1) Remove distributor from engine before testing. 2) Module remains inside distributor during test. 3-11 CB I W Connect BLACK test lead to a good ground inside distributor. Black Yellow Red EB I Yellow Red Black Connect BLACK test lead to a good ground inside distributor. EB C I Red Yellow Black Connect BLACK test lead to a good ground in[...]

SB I E T esting Ignition Modules 3-12 Section 3 Nissan Nissan One-Coil System (Photo pick-up) Nissan uses two types of connector wiring. Module is good if either hook-up tests O.K. * Black Base plate Test clip must touch both base plate and bushing Bushing Yellow Red 1987-1989 300ZX only Green Yellow Black 14 23 14 23 ** * * OR OR Yellow Black Gree[...]

3-13 Nissan Two-Coil System (Photo pick-up) Not present on some modules. Green Yellow Black 14 23 14 23 * * OR Black Green Yellow Green Yellow Black Nissan uses two types of connector wiring. Module is good if either hook-up tests O.K. * Yellow Green Black[...]

T esting Ignition Modules 3-14 Section 3 Toyota IMPORTANT For Toyota modules not pictured, refer to vehicle service manual and connect as follows: • Red lead to battery pin • Yellow lead to coil pin • Black lead to module ground • Green lead to IGT pin Red Yellow Green Black Connect BLACK test lead to igniter mounting hole or good vehicle g[...]

BLACK C Ext B I, TF BROWN 3-15 Toyota Black Red Yellow Green Connect BLACK test lead to igniter mounting hole or good vehicle ground. Red Yellow Green[...]

T esting Ignition Modules 3-16 Section 3 Toyota Green Red Yellow Use a paper clip to connect test lead. Yellow Green Connect BLACK test lead to igniter mounting hole or good vehicle ground. Black[...]

3-17 Toyota Green Red Connect BLACK test lead to igniter mounting hole or good vehicle ground. Use a paper clip to connect test lead. Yellow Black[...]

T esting Ignition Modules 3-18 Section 3 Toyota Black Green Red Yellow Connect BLACK test lead to igniter mounting hole or good vehicle ground. Use a paper clip to connect test leads.[...]

3-19 Toyota Yellow Red Green Yellow Red Green Connect BLACK test lead to igniter mounting hole or good vehicle ground. Black[...]

T esting Ignition Modules 3-20 Section 3 Toyota Yellow Green Red Black Connect BLACK test lead to igniter mounting hole or good vehicle ground.[...]

3-21 Toyota C  + SG B C  + SG B  T B C F B C T F Black Connect BLACK test lead to igniter mounting holes. Yellow Green Red Yellow Red Green Red Yellow Green Yellow Green Red[...]

3-22 Notes[...]

4-1 Section 2 4 Section Mor e Uses for the Ignition Module & Engine Sen sor Tester Circuit Voltage Checks This function is useful for checking the presence (or absence) of voltages throughout the vehicle electrical system (such as wiring, switches, relays, and connectors). It is safe for probing computer and sensor circuits. Warning: Observe al[...]

Section 4 4-2 Continuity Checks Test wiring, ground connections, switch operation, relay contacts, or similar. Important : • Do continuity tests on unpowered circuits only. • Always make sure all connections are good. If necessary, scrape away corrosion, paint, etc. at the contact points. Warning: If working on-car, turn ignition key OFF and ob[...]

More U ses for the Ignition Module/Sen sor Tester 4-3 Continuity Checks (cont.) 12 V 12 V TEST TEST Y ellow Black Y ellow Black Ground Connection No Ground Connection TEST TEST Y ellow Black Y ellow Black Switch Closed Switch Open[...]

Section 4 4-4 Diode Checks Tests diodes and rectifiers for proper operation. 1) Set RANGE switch to HIGH. 2) Set FUNCTION switch to OHMS. 3) Connect TEST leads as shown in Figure 1. ( YELLOW to anode — BLACK to cathode) 4) The bottom TEST light should be ON. If a different TEST light is on or all lights are off, the diode is defective. 5) Reverse[...]

Actron Manufacturing Company 9999 Walford Avenue Cleveland, Ohio 44102-4621 USA Tel: +1-261-651-9200 Fax: +1-216-651-2853 Product Information & Repair Customer Service Centers Actron - Europe Coppen Road, Dagenham, Essex RM8 1NU UNITED KINGDOM Tel: +44-(0)181-984-8855 Fax: +44-(0)181-984-8866 Product Information & Repair Actron - Europe 60 [...]

Actron Manufacturing Company 9999 Walford Avenue Cleveland, Ohio 44102-4696  ©1997, Actron Manufacturing Company Made in the U.S.A.   Part No. 2-221301 ®[...]