SYSTEM DIAGRAM
How To Proceed With Troubleshooting
Basic InspectionRemoval
REMOVAL
PROCEDURE
1. REMOVE BACK DOOR PANEL TRIM ASSEMBLY
2. REMOVE REAR WIPER ARM HEAD CAP
(a) Disengage the 4 claws and remove the rear wiper arm head cap as shown
in the illustration.
3. ...
Catalyst System Efficiency Below Threshold (Bank 1) (P0420)
MONITOR DESCRIPTION
The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter
(TWC) to monitor its efficiency.
The first sensor, the air fuel ratio sensor, sends pre-catalyst information to
the ECM. The second sensor, the heat ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT IG2 RELAY
(a) Remove the IG2 relay from the relay block.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Te ...