PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
Precaution
System DescriptionRemoval
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
2. REMOVE RADIATOR RESERVE TANK ASSEMBLY
(a) Remove t ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE STOP LIGHT CONTROL (BRK) RELAY
(a) Remove the stop light control (BRK) relay.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
...
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 ...