How To Proceed With Troubleshooting [09/2019 - ]: Procedure

Result

Result: 

NEXT 

See step  2

Result

Result: 

NEXT 

See step  3

HINT: 

If the display indicates a communication malfunction, inspect the DLC3.

When any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.

Result

Result: 

NEXT 

See step  4

1. Check for DTCs.

   Powertrain > Engine > Trouble Codes 

2. Check for Freeze Frame Data.

   Refer to FREEZE FRAME DATA [09/2019 - 10/2020] , or refer to FREEZE FRAME DATA [10/2020 - 10/2023] , or refer to FREEZE FRAME DATA [10/2023 - ]

   HINT: 

   Record or print DTCs and Freeze Frame Data if necessary.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Check for Vehicle Control History and Vehicle Control History Freeze Frame Data.

   Powertrain > Engine > Utility 

   Tester Display
   Vehicle Control History (RoB)

   HINT: 

   Print Vehicle Control History and Vehicle Control History Freeze Frame Data if necessary.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. Clear the DTCs and Freeze Frame Data.

   Powertrain > Engine > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

Result

Result: 

NEXT 

See step  8

1. Change the ECM from normal mode to check mode.

   Powertrain > Engine > Utility 

   Tester Display
   Check Mode

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  9

1. Confirm the problem symptoms.

   HINT: 

   If the engine does not start, first perform the "Check DTC" procedure and "Conduct Basic Inspection" procedure below.

   Result

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

Result: 

B 

See step  11

Result: 

A 

See step  10

HINT: 

Refer to Symptom Simulation.

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]

Result

Result: 

NEXT 

See step  11

1. Check for DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

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

Result: 

B 

See step  13

Result: 

A 

See step  12

HINT: 

Refer to Diagnostic Trouble Code Chart.

Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2019 - 10/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2020 - 10/2022] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 10/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2023 - ]

Result

Result: 

NEXT 

See step  13

1. Conduct basic inspection.

   Refer to BASIC INSPECTION [12/2017 - ] 

   Result

   Result	Proceed to
   Malfunctioning parts not confirmed	A
   Malfunctioning parts confirmed	B

Result: 

B 

See step  18

Result: 

A 

See step  14

HINT: 

Refer to Problem Symptoms Table.

Refer to PROBLEM SYMPTOMS TABLE [12/2017 - ] 

Result

Result: 

B 

See step  18

Result: 

A 

See step  15

1. Check the ECM power source circuit.

   Refer to ECM Power Source Circuit [12/2017 - 10/2020] , or refer to ECM Power Source Circuit [10/2020 - 10/2023] , or refer to ECM Power Source Circuit [10/2023 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  16

Result

Result: 

B 

See step  19

Result: 

A 

See step  17

1. Check for intermittent problems.

   Refer to CHECK FOR INTERMITTENT PROBLEMS [12/2017 - ] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  18

Result

Result: 

NEXT 

See step  19

Result

Result: 

NEXT 

See step  20

Result

Result: 

NEXT 

See step  21

Result

Result: 

NEXT 

END