Brake

How To Proceed With Troubleshooting

~1min read
CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE
  1. VEHICLE BROUGHT TO WORKSHOP

NEXT
  1. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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

NEXT
  1. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, inspect the CAN communication function to make sure there are no malfunctions in the communication system.

Result

Proceed to

DTC is not output

A

DTC is output

B

HINT:

The skid control ECU sends the signals of each warning light via CAN communication.


B

GO TO CAN COMMUNICATION SYSTEM

A
  1. CHECK DTC AND FREEZE FRAME DATA*

NEXT
  1. CLEAR DTC AND FREEZE FRAME DATA*

NEXT
  1. PROBLEM SYMPTOM CONFIRMATION

NEXT
  1. DTC CHECK AND CLEAR*

NEXT
  1. PROBLEM SYMPTOM CONFIRMATION

Result

Proceed to

Symptom does not occur

A

Symptom occurs

B


B

GO TO STEP 11

A
  1. SYMPTOM SIMULATION

NEXT
  1. CHECK FOR DTC (OTHER THAN CAN COMMUNICATION SYSTEM DTC)*

Result

Proceed to

DTC is not output

A

DTC is output

B


B

GO TO STEP 12

A
  1. PROBLEM SYMPTOMS TABLE


NEXT

GO TO STEP 14

  1. DTC CHART

NEXT
  1. CIRCUIT INSPECTION*

NEXT
  1. IDENTIFICATION OF PROBLEM

NEXT
  1. REPAIR OR REPLACE

NEXT
  1. CONFIRMATION TEST*


NEXT

END

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.