How To Proceed With Troubleshooting [09/2014 - 01/2023]: Procedure

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VEHICLE BROUGHT TO WORKSHOP
Result

Proceed to

NEXT

Result:

NEXT

See step 2

CUSTOMER PROBLEM ANALYSIS

Interview the customer and confirm the problem.

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 08/2016] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 11/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2019 - 09/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - 01/2023]

Result

Proceed to
NEXT

Result:

See step 3

CHECK BATTERY VOLTAGE
Standard Voltage

11 to 14 V

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

HINT:

A simple method to determine whether the battery is depleted is to operate the horn.

Result

Proceed to

NEXT

Result:

NEXT

See step 4

CHECK DTC*

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

Refer to DTC CHECK / CLEAR [09/2014 - 01/2023]

Body Electrical > Smart Access > Trouble Codes

HINT:

When DTCs indicating CAN and/or LIN communication system malfunctions are output, repair the CAN and/or LIN communication systems before performing diagnosis.

for CAN communication system: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2019 - 01/2023]

for LIN communication system: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ]

Result

Result	Proceed to
DTCs are not output. (Problem symptom cannot be confirmed or reproduced.)	A
DTCs are not output. (Problem symptom can be confirmed or reproduced.)	B
Steering lock system DTCs are output.	C

HINT:

When steering lock system DTCs are output, refer to Diagnostic Trouble Code Chart.
Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 01/2023]
The steering lock system does not store history DTCs.

Result:

See step 6

Result:

See step 8

Result:

See step 5

SYMPTOM SIMULATION

Proceed to How to Proceed with Troubleshooting.

Result

Proceed to
NEXT

Result:

See step 6

PROBLEM SYMPTOMS TABLE

Proceed to Problem Symptoms Table.

Refer to PROBLEM SYMPTOMS TABLE [09/2014 - 01/2023]

Result

Result	Proceed to
Fault is not listed in Problem Symptoms Table.	A
Fault is listed in Problem Symptoms Table.	B

Result:

See step 8

Result:

See step 7

OVERALL ANALYSIS AND TROUBLESHOOTING*

Proceed to Data List / Active Test.
Refer to DATA LIST / ACTIVE TEST [09/2014 - 01/2023]

Proceed to Terminals of ECU.

Refer to TERMINALS OF ECU [09/2014 - 01/2023]

Result

Proceed to
NEXT

Result:

See step 9

CIRCUIT INSPECTION*
Result

Proceed to

NEXT

Result:

NEXT

See step 9
REPAIR OR REPLACE
Result

Proceed to

NEXT

Result:

NEXT

See step 10

CHECK DTC AGAIN*

Clear the DTCs.
Refer to DTC CHECK / CLEAR [09/2014 - 01/2023]

Body Electrical > Smart Access > Clear DTCs

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

Refer to DTC CHECK / CLEAR [09/2014 - 01/2023]

Body Electrical > Smart Access > Trouble Codes

HINT:

Perform the DTC output confirmation operation.

Result

Result	Proceed to
DTCs are not output.	A
Steering lock system DTCs are output.	B

Result:

END

Result:

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 01/2023]