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
Problem Symptoms TableSystem Diagram
SYSTEM DIAGRAM
Input and Output Signal of Each ECU
Transmitting ECU (transmitter)
Receiving ECU
Signal
Communication Method
Power management Control ECU
Steering Lock ECU (Steering Lock ...
Headlight Relay Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls the headlight
relays.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection proc ...
Starting the engine
Shift the shift lever to “P” and
apply the brakes.
Touch the Toyota emblem side of the electronic key to the “ENGINE START STOP”
switch.
An alarm will sound to indicate that the start function cannot detect the electronic
key that is touched ...