DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE

DETAILED FLOW
1.CONFIRM SYMPTOM
Confirm symptom or customer complaint.
2.CHECK SELF-DIAGNOSIS OPERATION OF COMBINATION METER
Perform self-diagnosis of combination meter. Refer to MWI-29, "Diagnosis Description".
3.CHECK COMBINATION METER (CONSULT)
Select "METER/M&A" on CONSULT and perform "SELF-DIAGNOSIS" of combination meter. Refer to MWI- 29, "CONSULT Function (METER/M&A)".
4.CONFIRM OPERATION
Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Che ...
P0420, P0430 three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen sto ...
Removal and installation
BCM (BODY CONTROL MODULE)
Removal and Installation
For removal and installation of the BCM.
PUSH BUTTON IGNITION SWITCH
Removal and Installation
REMOVAL
Remove push-button ignition switch from cluster lid A using a
suitable tool.
Disconnect harness connector from push-button ignition s ...