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

Toyota CH-R Service Manual / Theft Deterrent / Keyless Entry / Theft Deterrent System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use this procedure to troubleshoot the theft deterrent system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP
NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the problem.

Click here

NEXT

3.

PRE-CHECK

(a) Measure the 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.

(b) Check the fuses and relays.

(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

NEXT

4.

SYMPTOM SIMULATION
NEXT

5.

INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check for CAN communication system DTCs.

Click here

Result

Proceed to

CAN DTCs are not output

A

CAN DTCs are output

B
B

GO TO CAN COMMUNICATION SYSTEM

A

6.

PROBLEM SYMPTOMS TABLE

(a) Refer 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.

PERFORM OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) System Description

Click here

(b) Terminals of ECU

Click here

(c) Data List / Active Test

Click here

(d) Inspection

NEXT

8.

REPAIR OR REPLACE
NEXT

9.

CONFIRMATION TEST
NEXT

END
    System Diagram
    SYSTEM DIAGRAM ...

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    CUSTOMIZE PARAMETERS CUSTOMIZE THEFT DETERRENT SYSTEM NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make ...

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