Work Flow

DIAGNOSIS AND REPAIR WORKFLOW (METER SYSTEM)

Work flow


OVERALL SEQUENCE






- Reference 1"On Board Diagnosis Function" On Board Diagnosis Function(Combination Meter).
- Reference 2"DTC Index"
- Reference 3"Diagnosis Procedure" Meter Control Switch Signal Circuit.
- Reference 4"Component Inspection" Meter Control Switch Signal Circuit.
- Reference 5"COMBINATION METER : Diagnosis Procedure" Combination Meter.

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 "On Board Diagnosis Function" On Board Diagnosis Function(Combination Meter).
Does the on board diagnosis function operate normally?
YES- GO TO 4.
NO- GO TO 6.

4. CHECK CONSULT SELF-DIAGNOSIS RESULTS

1.Connect CONSULT and perform self-diagnosis. Refer to "DTC Index"
2.When DTC is detected, follow the instructions below:
-Record DTC and Freeze Frame Data.
Are self-diagnosis results normal?
YES- GO TO 5.
NO- GO TO 10.

5. NARROW DOWN THE MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS

Perform symptom diagnosis and narrow down the malfunctioning parts.
- GO TO 10.

6. CHECK METER CONTROL SWITCH SIGNAL CIRCUIT

Check meter control switch signal circuit. Refer to "Diagnosis Procedure" Meter Control Switch Signal Circuit.
Is inspection result OK?
YES- GO TO 7.
NO- GO TO 10.

7. CHECK METER CONTORL SWITCH

Check meter control switch. Refer to "Component Inspection" Meter Control Switch Signal Circuit.
Is inspection result OK?
YES- GO TO 8.
NO- GO TO 10.

8. CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUITS

Check combination meter power supply and ground circuits. Refer to "COMBINATION METER : Diagnosis Procedure" Combination Meter.
Is inspection result OK?
YES- GO TO 9.
NO- GO TO 10.

9. REPLACE COMBINATION METER

Replace combination meter.
- GO TO 11.

10. 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 11.

11. FINAL CHECK

Check that the combination meter operates normally.
Do they operate normally?
YES- INSPECTION END
NO- GO TO 1.