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

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