CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
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.
|
3. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result |
Proceed to |
---|---|
CAN DTC is not output |
A |
CAN DTC is output |
B |
B |
GO TO CAN COMMUNICATION SYSTEM |
|
4. |
CHECK FOR DTCs* |
(a) Check for DTCs (See page ).
(b) Clear the DTCs.
(c) Recheck for DTCs.
Result |
Proceed to |
---|---|
DTC does not reoccur |
A |
DTC does reoccur |
B |
B |
GO TO STEP 7 |
|
5. |
PROBLEM SYMPTOMS TABLE |
Result |
Proceed to |
---|---|
Fault not listed in problem symptoms table |
A |
Fault listed in problem symptoms table |
B |
B |
GO TO STEP 7 |
|
6. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU (See page ).
(b) Data List / Active Test (See page ).
|
7. |
REPAIR OR REPLACE |
|
8. |
CONFIRMATION TEST |
NEXT |
END |
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communication Method
Main body ECU (Driver side junction block assembly)
Certification ECU (Sm ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT SPEEDOMETER
(a) Check the operation.
(1) Using a speedometer tester (calibrated chassis dynamometer), check the speedometer
indication according to the table below.
Reference:
Chassis Dynamometer In ...
Diagnosis Circuit
DESCRIPTION
The headlight leveling ECU assembly outputs DTC information to the Techstream
via this circuit.
WIRING DIAGRAM
PROCEDURE
1.
CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY)
(a) Disconnect ...