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

CAUTION / NOTICE / HINT

HINT:

  • The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there are no malfunctions in the CAN communication system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Refer to How to Troubleshoot ECU Controlled Systems in Introduction.

Click here

NEXT

3.

INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

HINT:

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT

4.

CHECK CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

CAN Bus Check

HINT:

  • Refer to CAN Bus Check for the CAN communication system.

    Click here

  • The ECM 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.

Result

Proceed to

CAN communication DTCs are not output.

A

CAN communication DTCs are output.

B

B

GO TO CAN COMMUNICATION SYSTEM

A

5.

CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

(a) Refer to DTC Check/Clear.

Click here

NEXT

6.

SETTING CHECK MODE DIAGNOSIS*

(a) Refer to Check Mode Procedure.

Click here

NEXT

7.

CHECK FOR DTC*

(a) Proceed to DTC Check/Clear.

Click here

Powertrain > Engine and ECT > Trouble Codes

Result

Proceed to

DTCs are not output.

A

DTCs are output.

B

B

GO TO STEP 14

A

8.

BASIC INSPECTION

(a) Refer to Continuously Variable Transaxle Fluid.

Click here

(b) Refer to Park/Neutral Position Switch.

Click here

(c) Refer to Shift Lever.

Click here

NG

GO TO STEP 11

OK

9.

PROBLEM SYMPTOMS CONFIRMATION

(a) Refer to Road Test.

Click here

(b) Refer to Mechanical System Tests.

Click here

(c) Refer to Hydraulic Test.

Click here

Result

Proceed to

Symptom does not occur

A

Symptom occurs

B

B

GO TO STEP 11

A

10.

SYMPTOM SIMULATION

(a) Refer to Symptom Simulation.

Click here

NEXT

11.

COMPONENT INSPECTION

NEXT

12.

REPAIR OR REPLACEMENT

NEXT

13.

CONFIRMATION TEST

NEXT

END

14.

DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

NEXT

15.

CIRCUIT INSPECTION*

NEXT

16.

IDENTIFICATION OF PROBLEM

NEXT

17.

REPAIR OR REPLACEMENT

NEXT

18.

CONFIRMATION TEST

NEXT

END

    System Diagram
    SYSTEM DIAGRAM ...

    System Description
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