How To Proceed With Troubleshooting [07/2020 - ]: Procedure

Result

Result: 

NEXT 

See step  2

HINT: 

• In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
• Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

The following 5 items are important points for problem analysis:

Result

Result: 

NEXT 

See step  3

1. Measure the 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.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Check if CAN communication DTCs are output.

   Refer to DIAGNOSTIC TROUBLE CODE CHART [07/2020 - 05/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [05/2023 - ]

   Result

   Result	Proceed to
   CAN communication DTCs are not output.	A
   CAN communication DTCs are output.	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - 05/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ] 

Result: 

A 

See step  5

1. Check for DTCs.

   Powertrain > Engine > Trouble Codes 

   HINT: 

   Refer to DTC Check / Clear.

   Refer to DTC CHECK / CLEAR [07/2020 - 05/2023] , or refer to DTC CHECK / CLEAR [05/2023 - ]

   Result

   Result	Proceed to
   DTCs are output	A
   DTCs are not output	B

Result: 

B 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2020 - ]  

Result: 

A 

See step  6

Refer to Vehicle Control History.

Refer to VEHICLE CONTROL HISTORY [07/2020 - ]

Result

Result: 

B 

GO TO VEHICLE CONTROL HISTORY. Refer to  VEHICLE CONTROL HISTORY [07/2020 - ] 

Result: 

A 

See step  7

HINT: 

Refer to Problem Symptoms Table.

Refer to PROBLEM SYMPTOMS TABLE [07/2020 - ] 

Result

Result: 

B 

See step  13

Result: 

A 

See step  8

HINT: 

Refer to Data List / Active Test.

Refer to DATA LIST / ACTIVE TEST [07/2020 - ] 

Result

Result: 

B 

See step  13

Result: 

A 

See step  9

HINT: 

Refer to Terminals of ECM.

Refer to TERMINALS OF ECM [07/2020 - ] 

Result

Result: 

NG 

See step  13

Result: 

OK 

See step  10

HINT: 

Refer to Symptom Simulation.

Refer to CHECK FOR INTERMITTENT PROBLEMS [07/2020 - ]

Result

Result: 

NEXT 

See step  11

Result

Result: 

NEXT 

See step  12

Result

Result: 

NEXT 

See step  13

Result

Result: 

NEXT 

See step  14

Result

Result: 

NEXT 

END