1. Instrument Panel Junction Block Assembly





Problem symptoms table
DTC check / clearWhen towing full-time 4wd vehicles
Use one of the methods shown below to tow the
vehicle.
If the vehicle has trouble with the chassis or drive
train, use method 1 (flat bed truck).
WHEN TOWING FULL-TIME 4WD VEHICLES
NOTICE: Do not use any towing method other than those shown above.
The towing methods shown b ...
Data list / active test
1. DATA LIST
HINT:
Reading the DATA LIST displayed on an intelligent tester
enables values, including those of the switches, sensors,
and actuators, to be checked without removing any
parts. Reading the DATA LIST as the first step in
troubleshooting is one method to shorten diagnostic
time.
...
Catalyst System Efficiency Below Threshold
DTC P0420 Catalyst System Efficiency Below Threshold
(Bank 1)
DTC P0430 Catalyst System Efficiency Below Threshold
(Bank 2)
MONITOR DESCRIPTION
The ECM uses the sensors mounted in front of and behind the three-way
catalyst (TWC) to monitor its
efficiency. The first sensor, an Air Fuel ratio ...