Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the rear view monitor system.
  • *: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Ask the customer about the problems and the conditions at the time the malfunction occurred to make sure the problem symptom was not temporarily caused by radio waves in the surrounding environment.

HINT:

The rear view monitor display may be temporarily distorted due to radio waves around the vehicle.

Problem Symptom

Cause

*: DTCs output as "Hist" will not be output again after DTCs are cleared.
Both of the following conditions are met:
  • The problem symptom indicates a rear view monitor display malfunction and the problem symptom cannot be reproduced.
  • DTC C162287 is output as "Hist" only.*

The display may be temporary distorted when the vehicle is close to an object that transmits radio waves, such as a telecommunication tower, an airport or a truck equipped with a transceiver.

NEXT

3.

INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the ignition switch off.

Standard voltage:

11 to 14 V

HINT:

If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.

NEXT

4.

CHECK FOR DTC*

(a) Check for DTCs and make a note of any codes that are output.

Body Electrical > Navigation System > Trouble Codes

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(c) Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.

Body Electrical > Navigation System > Trouble Codes

NOTICE:

The radio and display receiver assembly may store the DTCs of the following system. If DTCs other than those specified in Diagnostic Trouble Code Chart of the rear view monitor system are output, refer to Diagnostic Trouble Code Chart for the applicable system.

System

Proceed to

Audio and Visual System

Result

Proceed to

No DTCs are output

A

DTCs are output

B

B

GO TO AUDIO AND VISUAL SYSTEM

A

5.

PROBLEM SYMPTOMS CONFIRMATION

Result

Proceed to

Symptom does not occur

A

Symptom occurs

B

B

GO TO STEP 7

A

6.

SYMPTOMS SIMULATION

Click here

NEXT

7.

CHECK IF SAME SYMPTOM APPEARS IN OTHER SYSTEM

Click here

Result

Proceed to

Symptom does not appear

A

Symptom appears

B

B

GO TO AUDIO AND VISUAL SYSTEM

A

8.

PROBLEM SYMPTOMS TABLE

(a) Refer to the 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

ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

A

9.

BASED ON MALFUNCTION SYMPTOM, PERFORM TROUBLESHOOTING BELOW

(a) Terminals of ECU.

Click here

NEXT

10.

ADJUST, REPAIR OR REPLACE

NEXT

11.

CONFIRMATION TEST

NEXT

END

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