ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to follow the correct removal and installation procedures for the occupant classification ECU.
PROCEDURE
1. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)
(a) Perform a diagnostic system check (See page ).
2. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)
(a) Perform a diagnostic system check (See page ).
(b) Visually check for the following defects of the occupant classification ECU:
OK:
No defects are found.
HINT:
If any of the defects is found, replace the occupant classification ECU with a new one.
3. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)
(a) Perform a diagnostic system check (See page ).
(b) Visually check for the following defects of the occupant classification ECU:
OK:
No defects are found.
HINT:
If any of the defects is found, replace the occupant classification ECU with a new one.
Engine Coolant Temperature Receiver Gauge Malfunction
DESCRIPTION
In this circuit, the meter CPU receives engine coolant temperature signals from
the ECM using the CAN communication system. The meter CPU displays the engine coolant
temperature, which is calculated based on the data received from the ECM.
WI ...
Short in CAN Bus Lines
DESCRIPTION
There may be a short circuit between the CAN bus lines when the resistance between
terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 54 Ω.
Symptom
Trouble Area
The resistance between terminals 6 (CANH ...