1000 - 1999: 1875

1875-01 CAN BUS CIRCUIT FAULTY









For a complete Shift Lever Assembly Circuit Diagram, [1][2]Automatic Transmission/Transaxle.

Diagnostic Test

1. CHECK FOR CAN DTCS IN OTHER MODULES
Turn the ignition on.
With the scan tool, read the stored and active DTCs for all modules on the CAN C BUS.
Are other modules reporting CAN BUS DTCs?

Yes

- Diagnose and repair the DTC(s).

No

Go To2

2. CAN C BUS (+) AND/OR CAN C BUS (-) CIRCUIT OPEN




Turn the ignition off.
Disconnect the PCM C4 harness connector.
Disconnect the SLA harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance of both the CAN C BUS (+) circuit and the CAN C BUS (-) circuit from the PCM C4 harness connector to the SLA harness connector.
Is the resistance of both CAN C BUS circuits below 5.0 ohms?

Yes

- Replace the Shift Lever Assembly. Manual Transmission/Transaxle - Removal.
- Perform NAG1 TRANSMISSION VERIFICATION TEST. Transmission Verification Test

No

- Repair the faulty CAN C BUS circuit for an open.
- Perform NAG1 TRANSMISSION VERIFICATION TEST. Transmission Verification Test