SYSTEM DIAGRAM
Parts Location
On-vehicle InspectionIgnition Switch Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) determines the ignition
switch position (OFF, ACC, ON) based on signals from the IG or ACC circuit.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE USING TECHSTREAM
...
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 ...
Propeller Shaft System
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspe ...