SYSTEM DESCRIPTION
1. KEY REMINDER WARNING SYSTEM DESCRIPTION
(a) When the driver side door is opened with the key in ACC or LOCK, this system causes a buzzer to sound in order to warn the driver that the key has not been removed.
System Diagram
How To Proceed With TroubleshootingRemoval
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 COOL AIR INTAKE DUCT SEAL
3. REMOVE NO. 1 ENGINE CO ...
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 ...
Detection range of the sensors
1. Approximately 1.6 ft. (50 cm)
2. Approximately 4.9 ft. (150 cm)
3. Approximately 2.0 ft. (60 cm)
The diagram shows the detection range of the sensors. Note that the sensors cannot
detect obstacles that are extremely close to the vehicle.
The range o ...