PROCEDURE
1. |
CHECK VEHICLE SIGNAL (OPERATION CHECK) |
(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check (See page
|
|
(b) Check that the display changes between ON and OFF according to the light control switch operation.
OK:
Light Control Switch |
Display |
---|---|
Tail or head |
ON |
Off |
OFF |
HINT:
This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.
OK | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
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 ...
How To Use This Manual
General Information
GENERAL INFORMATION
1. GENERAL DESCRIPTION
(a) This manual is written in accordance with SAE J2008.
(b) Repair operations can be separated mainly into the following 3 processes:
(1) Diagnosis
(2) Removing / Installing, Replacing, Di ...
AVC-LAN Circuit
DESCRIPTION
Each unit of the navigation system connected to the AVC-LAN (communication bus)
transmits switch signals via AVC-LAN communication.
If a short to +B or short to ground occurs in the AVC-LAN, the navigation system
will not function normally be ...