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

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the airbag system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Confirm problem symptoms.

Click here

NEXT

3.

CHECK CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check if the CAN communication system is functioning normally.

OK:

CAN communication system is functioning normally.

HINT:

  • Refer to CAN Bus Check in CAN Communication System.

    Click here

  • The airbag sensor assembly is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.
NG

GO TO CAN COMMUNICATION SYSTEM

OK

4.

SRS WARNING LIGHT CHECK

(a) Proceed to Diagnosis System.

Click here

NEXT

5.

CHECK FOR DTC*

(a) Proceed to DTC Check / Clear.

Click here

Body Electrical > SRS Airbag > Trouble Codes

OK:

DTCs are not output.

NG

GO TO STEP 12

OK

6.

SYMPTOM SIMULATION

(a) Proceed to How to Proceed with Troubleshooting.

Click here

NEXT

7.

PROBLEM SYMPTOMS TABLE

(a) Proceed to Problem Symptoms Table.

Click here

NEXT

8.

CIRCUIT INSPECTION*

NEXT

9.

IDENTIFICATION OF PROBLEM

NEXT

10.

REPAIR OR REPLACEMENT

NEXT

11.

CONFIRMATION TEST

NEXT

END

12.

DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

NEXT

13.

CIRCUIT INSPECTION*

NEXT

14.

IDENTIFICATION OF PROBLEM

NEXT

15.

REPAIR OR REPLACEMENT

NEXT

16.

CONFIRMATION TEST

NEXT

END

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    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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