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.
for CAN communication system: Click here
for LIN communication system: Click here
Result |
Proceed to |
---|---|
DTCs are not output. (Problem symptom cannot be confirmed or reproduced.) |
A |
DTCs are not output. (Problem symptom can be confirmed or 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 |
Toyota CH-R Service Manual > Pre-collision System: System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Millimeter Wave Radar Sensor Assembly
Skid Control ECU (Brake Actuator Assembly)
Brake assist standby signal
Pre-collision brake ope ...
Toyota CH-R Service Manual > Steering Lock System: Terminals Of Ecu
TERMINALS OF ECU
TERMINAL INSPECTION
*a
Component without harness connected
(Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly))
-
-
(a) Measure the voltage and resistance according to the value(s) in the table
below.
...