Z51

- Key Off. All accessories should be Off during testing.

- Select proper Overlay and Program Cartridge to match the ignition system to be tested.

- Install overlay on tester's front panel.

- Insert Program Cartridge into the cartridge slot (marked on the right hand side of the front panel). Make sure the cartridge is fully inserted.

- Select and install the EI High Data Rate harness adapter to the DIST tester.

- Verify that the Tester switches, CKP SIMULATION and WIGGLE TEST are in the OFF position.

- Disconnect the vehicle wiring harness from ICM.
- Depress tab on connector clip to remove the ignition harness.
- Inspect connectors for dirt, corrosion, moisture, and bent or broken pins.
- Clean or repair as required.

- Hook Tester to ICM:
- Plug male connector of tester into engine harness connector.
- Plug female connector of tester into ICM.

- Key On Engine Off (KOEO), Press Tester's RESET button. The tester performs Self-Test when it is reset or powered up. During the Self-Test, all LEDs will light and a beep will be heard.

- Did the tester perform Self-Test and is the VPWR LED on?

Yes -- GO to Z53. Z53

No -- GO to tester check in Z52. Z52