COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
Condenser
On-vehicle InspectionData List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly
(See page ).
PROCEDURE
1. DISCHARGE FUEL SYSTEM PRESSURE
(a) Discharge fuel system pressure (See page
).
2. DISCONNECT CABL ...
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 ...