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

CAUTION / NOTICE / HINT

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

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2.	CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer and confirm the problem.

Click here

NEXT

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.

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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

B

GO TO STEP 6

C

GO TO STEP 8

A

5.	SYMPTOM SIMULATION

(a) Proceed to How to Proceed with Troubleshooting.

Click here

NEXT

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

A

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*

NEXT

9.	REPAIR OR REPLACE

NEXT

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

A

END

B

GO TO DIAGNOSTIC TROUBLE CODE CHART