CAUTION / NOTICE / HINT
HINT:
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK |
|
|
3. |
INSPECT BATTERY VOLTAGE |
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
|
4. |
INSPECT CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
|
Result |
Proceed to |
|---|---|
|
CAN communication system DTC is not output. |
A |
|
CAN communication system DTC is output. |
B |
| B | |
GO TO CAN COMMUNICATION SYSTEM |
|
|
5. |
PROBLEM SYMPTOMS TABLE |
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table. |
A |
|
Fault is listed in Problem Symptoms Table. |
B |
| B | |
GO TO STEP 7 |
|
|
6. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test (See page
).
(b) Terminals of ECU (See page
).
|
|
7. |
ADJUST, REPAIR OR REPLACE |
|
|
8. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
System DescriptionControl Module Communication Bus OFF (U0073/86,U0100/85,U0129/83)
DESCRIPTION
The AWD control ECU inputs the signals sent from the ECM and skid control
ECU via the CAN communication system.
When DTCs indicating a CAN communication system malfunction are output,
repair the CAN communication system before r ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of ...
Rear Occupant Classification Sensor RH Collision Detection (B1788)
DESCRIPTION
DTC B1788 is output when the occupant classification ECU receives a collision
detection signal sent by the rear occupant classification sensor RH if an accident
occurs.
DTC B1788 is also output when the front seat assembly RH is subjected to ...