DIAGNOSIS AND REPAIR WORKFLOW
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.
>> GO TO 2
2.CHECK SYMPTOM
>> GO TO 3
3.CHECK CONSULT SELF-DIAGNOSIS RESULTS
Connect CONSULT and perform "SELF-DIAGNOSIS". Refer to MWI-29, "CONSULT Function (METER/ M&A)".
4.NARROW DOWN MALFUNCTIONING PARTS THROUGH SYMPTOM DIAGNOSIS
Perform symptom diagnosis and repair or replace the identified malfunctioning parts.
>> GO TO 5
5.REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
NOTE:
If DTC is displayed, erase DTC after repairing or replacing malfunctioning parts.
>> GO TO 6
6.FINAL CHECK
Check that the warning buzzer in the combination meter operates normally.
U1000 CAN comm circuit
Description
DTC Logic
DTC DETECTION LOGIC
NOTE:
U1000 can be set if a module harness was disconnected and reconnected, perhaps
during a repair. Confirm
that there are actual CAN diagnostic symptoms and a present DTC by performing
the Self Diagnostic Result
procedure.
Diagnosis Proc ...
P0037, P0038, P0057, P0058 HO2S2 heater
Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 2 heater
corresponding to the engine speed,
amount of intake air and engine coolant temperature.
OPERATION
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DT ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition
and the environment when the incident/malfunction occurred).
2.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the ...