CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the problem.
Click here
|
3. |
CHECK 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.
HINT:
A simple method to determine whether the battery is depleted is to operate the horn.
|
4. |
CHECK DTC* |
(a) Check for DTCs and make a note of any codes that are output.
Click here
HINT:
When DTCs indicating CAN and/or LIN communication system malfunctions are output, repair the CAN and/or LIN communication systems before performing diagnosis.
Result |
Proceed to |
---|---|
DTCs are not output. (Problem symptom cannot be confirmed or reproduced.) |
A |
DTCs are not output. (Problem symptom can be confirmed and reproduced.) |
B |
Steering lock system DTCs are output. |
C |
HINT:
Click here
B |
GO TO STEP 6 |
C |
GO TO STEP 8 |
|
5. |
SYMPTOM SIMULATION |
(a) Proceed to How to Proceed with Troubleshooting.
Click here
|
6. |
PROBLEM SYMPTOMS TABLE |
(a) Proceed to Problem Symptoms Table.
Click here
Result |
Proceed to |
---|---|
Fault is not listed in Problem Symptoms Table. |
A |
Fault is listed in Problem Symptoms Table. |
B |
B |
GO TO STEP 8 |
|
7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Proceed to Data List / Active Test.
Click here
(b) Proceed to Terminals of ECU.
Click here
NEXT |
GO TO STEP 9 |
8. |
CIRCUIT INSPECTION* |
|
9. |
REPAIR OR REPLACE |
|
10. |
CHECK DTC AGAIN* |
(a) Clear the DTCs.
Click here
(b) Check for DTCs and make a note of any codes that are output.
Click here
HINT:
Perform the DTC output confirmation operation.
Result |
Proceed to |
---|---|
DTCs are not output. |
A |
Steering lock system DTCs are output. |
B |
A |
END |
B |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
Open in Bus 2 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines and/or a central
gateway ECU (network gateway ECU) branch lines when the resistance between terminals
18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is 70 Ω
or higher.
Detection It ...
If you have a flat tire
Remove the flat tire and replace it with the spare provided.
■ Before jacking up the vehicle
● Stop the vehicle on a hard, flat surface.
● Set the parking brake.
● Shift the shift lever to P (automatic transmission) or R (manual transmission).
● Stop the engine.
& ...
ECU Power Source Circuit
DESCRIPTION
The IG circuit is the power source for the tire pressure warning ECU and receiver.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the tire pressure warning ECU and receiver, read the
transmitter IDs stored in the old ECU using the Techstream and write th ...