How To Proceed With Troubleshooting

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

HINT
* Use these procedures to troubleshoot the meter / gauge system.
* *: 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 MULTIPLEX COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the Multiplex Communication system (MPX) is functioning.





B -- Go to 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.





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

5. PROBLEM SYMPTOMS TABLE

Refer to the problem symptoms table.





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

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU

(b) Data List / Active Test

(c) On-vehicle Inspection

NEXT -- Continue to next step.

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END