MIL Circuit
ComponentsRemoval
REMOVAL
PROCEDURE
1. DRAIN AUTOMATIC TRANSAXLE FLUID
2. REMOVE FRONT FRAME ASSEMBLY
See page
3. SUPPORT ENGINE ASSEMBLY
4. REMOVE BELT
5. REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-ASSEMBLY
(a) Remove the 18 bolts and automatic transa ...
Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) (P0037,P0038,P0141,P102D)
DESCRIPTION
Refer to DTC P0136 (See page ).
HINT:
When any of these DTCs are stored, the ECM enters fail-safe mode. The
ECM turns off the heated oxygen sensor heater in fail-safe mode. Fail-safe
mode continues until the ignition switch is t ...
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 ...