How To Proceed With Troubleshooting

METER: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the combination meter.
- *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.

3. CHECK BODY MULTIPLEX COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the Body Multiplex Communication system (MPX) is functioning.
Result:






B -- Go to BODY MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.

4. CHECK CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN Communication system is functioning.
Result:






B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE
Refer to the Problem symptoms table Problem Symptoms Table.






B -- Go to step 7
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Terminals of ECU Pinout Values and Diagnostic Parameters
(b) Data List/Active Test Scan Tool Testing and Procedures
(c) On-vehicle Inspection Component Tests and General Diagnostics
NEXT -- Continue to next step.

7. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.

8. CONFIRMATION TEST
NEXT -- END