DI Distributor Ignition DIST HOOKUP
DIST DI - (THICK FILM IGNITION - IV) HOOKUP1. Key OFF. All accessories should be OFF during testing.
2. Select proper Overlay and Program Cartridge to match ignition system to be tested.
3. Install overlay on front panel of tester.
4. Insert Program Cartridge into the cartridge slot (marked on the right hand side of the front panel). Make sure the module is fully inserted.
NOTE: The DIST may be damaged or cause driveability problems if the Program Cartridge is not installed or improperly installed.
5. Select and install the Distributor Ignition harness adapter to the DIST tester.
6. Verify that the tester switch for WIGGLE TEST is in the OFF position.
7. Disconnect the vehicle wiring harnesses from Ignition Control Module (ICM):
a. Depress tab on connector clip to remove ignition harness.
b. Inspect connectors for dirt, corrosion, moisture, and bent or broken pins. Clean or repair as required.
8. Hook tester to ICM:
a. Plug male connector of tester into engine harness connector.
b. Plug female connector of tester into ICM.
9. Key On Engine Off (KOEO). Press RESET button on tester. The tester will perform a Self-Test every time it is reset or powered up. During the Self-Test, all LEDs will light and a beep will be heard.
a. If tester fails to perform Self-Test and ICM PWR LED is off, complete the following test sequence:
1. Key off.
2. Disconnect tester from vehicle.
3. Connect a jumper wire from ICM PWR jack to vehicle's battery POS (+) terminal.
4. Connect a jumper wire from IGN GND jack to vehicle's battery NEG (-) terminal.
5. If tester performs Self-Test, reconnect Tester to vehicle's harness and go to Pinpoint Test J1.
b. If tester does not perform Self-Test, refer to tester warranty.
1. If any LEDs light or beep does not function during Self-Test, refer to tester warranty.
2. After tester passes Self-Test, continue with step 10.
NOTE: You must perform Quick Test and follow instructions in Powertrain Management/Computers and Control Systems/System Diagnosis/Testing and Inspection Procedures before starting. Testing and Inspection
10. Attempt to recreate fault.
a. Turn KEY ON, ENGINE OFF.
b. If ANY LEDS turn on, Go to the appropriate Pinpoint Test (see Distributor Ignition Diagnostics By Service Code and Symptom Chart).
c. If ANY LEDS turn on, then crank (for 5 to 10 seconds) or start engine and recreate the drivability concern.
d. If ANY LEDS turn on, Go to the appropriate Pinpoint Test (see Distributor Ignition Diagnostics By Service Code and Symptom Chart).
e. If NO LEDS turn on, Go to the Distributor Ignition Diagnostics By Service Code and Symptom Chart.
11. If all tests pass, return to Powertrain Management/System Diagnosis/Testing and Inspection Procedures/Diagnostic Routines (Diagnosis by Symptom). Testing and Inspection