Toyota CH-R Service Manual: How To Proceed With Troubleshooting

Toyota CH-R Service Manual / Steering Column / Steering Lock System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedures to troubleshoot the steering lock system.
*: Use the Techstream.

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

Body Electrical > Smart Key > Trouble Codes

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:

When steering lock system DTCs are output, refer to Diagnostic Trouble Code Chart.
Click here
The steering lock system does not store history DTCs.

GO TO STEP 6

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

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

GO TO STEP 9

8.	CIRCUIT INSPECTION*

9.	REPAIR OR REPLACE

10.	CHECK DTC AGAIN*

(a) Clear the DTCs.

Click here

Body Electrical > Smart Key > Clear DTCs

(b) Check for DTCs and make a note of any codes that are output.

Click here

Body Electrical > Smart Key > Trouble Codes

HINT:

Perform the DTC output confirmation operation.

Result	Proceed to
DTCs are not output.	A
Steering lock system DTCs are output.	B

END

GO TO DIAGNOSTIC TROUBLE CODE CHART

System Diagram

SYSTEM DIAGRAM Circuit Description Component Outline Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly) The steering i ...

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 lis ...

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Toyota CH-R Service Manual: How To Proceed With Troubleshooting

System Diagram

Problem Symptoms Table

Other materials:

Toyota CH-R Owners Manual

Toyota CH-R Service Manual