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

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer and confirm the problem.

Click here

NEXT

3.

CHECK DTC AND FREEZE FRAME DATA*

(a) Check and record DTCs and Freeze Frame Data.

for DTC Check / Clear: Click here

for Freeze Frame Data: Click here

Chassis > ABS/VSC/TRAC/EPB > Trouble Codes

(b) Clear the DTCs and Freeze Frame Data.

for DTC Check / Clear: Click here

for Freeze Frame Data: Click here

Chassis > ABS/VSC/TRAC/EPB > Clear DTCs

(c) Reconfirm the DTCs.

(1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.

for DTC Check / Clear: Click here

for Freeze Frame Data: Click here

Chassis > ABS/VSC/TRAC/EPB > Trouble Codes

HINT:

  • When CAN communication system DTCs are output, repair the CAN communication system first.
  • If DTC U0100, U0123, U0126 and/or U0142 are among the CAN communication DTCs that are output, first use the Data List to check for a momentary open circuit.
  • If the Techstream cannot communicate with the skid control ECU (brake actuator assembly), inspect the CAN communication system.
  • If there is no response from the skid control ECU (brake actuator assembly), inspect the +BS circuit of the skid control ECU (brake actuator assembly).

Result

Proceed to

DTCs are not output. (Problem symptom does not occur.)

A

DTCs are not output. (Problem symptom occur.)

B

DTCs are output.

C

B

GO TO STEP 5

C

GO TO STEP 6

A

4.

SYMPTOM SIMULATION

(a) Proceed to How to Proceed with Troubleshooting.

NEXT

5.

PROBLEM SYMPTOMS TABLE

(a) Proceed to Problem Symptoms Table.

Click here

NEXT

GO TO STEP 7

6.

DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

NEXT

7.

CIRCUIT INSPECTION*

NEXT

8.

IDENTIFICATION OF PROBLEM

NEXT

9.

REPAIR OR REPLACEMENT

NEXT

10.

CONFIRMATION TEST*

NEXT

END

    Check For Intermittent Problems
    CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected us ...

    Calibration
    CALIBRATION DESCRIPTION (a) Refer to the table below and then perform the necessary operation according to the part to be replaced in order to perform calibration. Parts to be Replaced ...

    Other materials:

    Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Voice Guidance does not Function
    CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System. Click here When replacing the ...

    Toyota CH-R Service Manual > Audio And Visual System(for Radio Receiver Type): Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
    DESCRIPTION for Automatic Sound Levelizer (ASL): This circuit is necessary for the Automatic Sound Levelizer (ASL) built into the radio receiver assembly. The Automatic Sound Levelizer (ASL) function automatically adjusts the audio system volume level in order to compensate for ...

    Toyota C-HR (AX20) 2023-2025 Owner's Manual

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2025 Copyright www.tochr.net
    0.0154