Inspection Procedure 2

INSPECTION PROCEDURE 2: Shift indicator light does not illuminate.









CAUTION:
Whenever the ECU is replaced, ensure that the CAN bus lines are normal.

COMMENTS ON TROUBLE SYMPTOM

The shift indicator light or shift lever-ECU may have a problem.

PROBABLE CAUSES

- Malfunction of the shift indicator light
- Damaged harness wires and connectors
- Malfunction of the shift lever-ECU

DIAGNOSTIC PROCEDURE

STEP 1. Scan tool CAN bus diagnostics

Using scan tool MB991958, diagnose the CAN bus lines.

Q. Is the check result normal?

YES Go to Step 2.
NO Repair the CAN bus lines. CAN Bus Diagnostics Chart.) After repairing the CAN bus line, go to Step 2.
STEP 2. Scan tool data list

Item No.1: Shift lever position (Refer to data list reference table Data List Reference Table.)

Q. Is the check result normal?

YES Go to Step 3.
NO Replace the shift lever assembly. (Refer to Service and Repair.)
STEP 3. Scan tool actuator test

Item No.1: Shift indicator (Refer to Special Function (Actuator Test Reference Table) Actuator Test Reference Table.)

Q. Is the check result normal?

YES Intermittent malfunction. How to Cope With Intermittent Malfunctions.)
NO Go to Step 4.
STEP 4. Inspection of the floor console panel assembly connector:
C-27-1

Check for the contact with terminals.

Q. Is the check result normal?

YES Replace the floor console panel assembly. Service and Repair.)
NO Repair the defective connector.