COMPONENTS
ILLUSTRATION
On-vehicle InspectionCatalyst 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 ...
Lost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION
The power steering ECU receives signals from the ECM and the brake actuator assembly
(skid control ECU) via the CAN communication system.
DTC No.
DTC Detection Condition
Trouble Area
U0100
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL FUEL INJECTOR ASSEMBLY
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly
(See page ).
(a) Apply a light coat of gasoline or spindle oil to new O-rings, and
then ...