OVERALL SEQUENCE

- Reference 1···Diagnosis Description.
- Reference 2···DTC Index.
- Reference 3···Diagnosis Procedure.

DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.
>>GO TO 2.
2.CHECK SYMPTOM

- Check the symptom based on the information obtained from the customer.
- Check that any other malfunctions are present.

>> GO TO 3.
3.CHECK ON BOARD DIAGNOSIS OPERATION
Check that the on board diagnosis function operates. Refer to Diagnosis Description.
Does the on board diagnosis function operate normally?
YES>>GO TO 4.
NO>>GO TO 6.
4.CHECK CONSULT‐III SELF-DIAGNOSIS RESULTS
Connect CONSULT‐III and perform self-diagnosis. Refer to CONSULT-III Function (METER/M&A).
Are self-diagnosis results normal?
YES>>GO TO 5.
NO>>GO TO 8.
5.NARROW DOWN THE MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS
Perform symptom diagnosis and narrow down the malfunctioning parts.
>>GO TO 8.
6.CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUITS
Inspect combination meter power supply and ground circuits. Refer to Diagnosis Procedure.
Is inspection result OK?
YES>>GO TO 7.
NO>>GO TO 8.
7.REPLACE COMBINATION METER
Replace combination meter.
>>GO TO 9.
8.REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace the malfunctioning parts.
NOTE：
If DTC is displayed, erase DTC after repair or replace malfunctioning parts.
>>GO TO 9.
9.FINAL CHECK
Check that the combination meter operates normally.
Do they operate normally?
YES>>INSPECTION END
NO>>GO TO 1.