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Work flow
 
 
OVERALL SEQUENCE
 
 
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.
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2.CHECK SYMPTOM
  • Check the symptom based on the information obtained from the customer.
  • Check that any other malfunctions are present.
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3.CHECK ON BOARD DIAGNOSIS OPERATION
Check that the on board diagnosis function operates. Refer to On Board Diagnosis Function.
Does the on board diagnosis function operate normally?
 
4.CHECK M.U.T.-III SE SELF-DIAGNOSIS RESULTS
  1. Connect M.U.T.-III SE 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?
 
5.NARROW DOWN THE MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS
Perform symptom diagnosis and narrow down the malfunctioning parts.
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6.CHECK STEERING SWITCH FUNCTION
Check steering switch function. Refer to Component Function Check.
Is inspection result normal?
 
7.CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUITS
Check combination meter power supply and ground circuits. Refer to Diagnosis Procedure.
Is inspection result normal?
 
8.REPLACE COMBINATION METER
Replace combination meter.
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9.REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace the malfunctioning parts.
noteIf DTC is displayed, erase DTC after repair or replace malfunctioning parts.
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10.FINAL CHECK
Check that the combination meter operates normally.
Do they operate normally?
INSPECTION END