How To Proceed With Troubleshooting

HINT:

*: Use the Techstream.

VEHICLE BROUGHT TO WORKSHOP
INSPECT BATTERY VOLTAGE
Standard voltage:

11 to 14 V

HINT:

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

INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

Using the Techstream, inspect the CAN communication function to ensure there are no malfunctions in the communication system.

Result

RESULT REFERENCE

Result	Proceed to
No DTCs output	A
DTCs output	B

B: PROCEED TO CAN COMMUNICATION SYSTEM

A: Go to next step

INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM*

Using the Techstream, inspect the multiplex communication function to ensure there are no malfunctions in the communication system.

Result

RESULT REFERENCE

Result	Proceed to
No DTCs output	A
DTCs output	B

HINT:

The skid control ECU sends the signals of each warning light to the gateway ECU via CAN communication, and the gateway ECU sends the signals to the combination meter via the multiplex communication system (BEAN).

B: PROCEED TO MULTIPLEX COMMUNICATION SYSTEM

A: Go to next step

CHECK DTC AND FREEZE FRAME DATA*
CLEAR DTC AND FREEZE FRAME DATA*
PROBLEM SYMPTOM CONFIRMATION
DTC CHECK AND CLEAR*

PROBLEM SYMPTOM CONFIRMATION

Result

RESULT REFERENCE

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

B: GO TO STEP 11

A: Go to next step

SYMPTOM SIMULATION

CHECK FOR DTC (OTHER THAN CAN AND MULTIPLEX COMMUNICATION SYSTEM DTC)*

Result

RESULT REFERENCE

Result	Proceed to
No DTCs output	A
DTCs output	B

B: GO TO STEP 13

A: Go to next step

PROBLEM SYMPTOMS TABLE
NEXT: GO TO STEP 14
DTC CHART
CIRCUIT INSPECTION*
IDENTIFICATION OF PROBLEM
REPAIR OR REPLACE
CONFIRMATION TEST*
NEXT: END