How To Proceed With Troubleshooting

Standard voltage: 11 to 14V 

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

1. Check CAN communication system. (Refer to HOW TO TROUBLESHOOT )
   RESULT DESCRIPTION
   
   

   Result	Proceed to
   Functioning properly	A
   Not functioning properly	B

   1. Go to next step
   2. GO TO CAN COMMUNICATION SYSTEM (Refer to HOW TO TROUBLESHOOT )

1. Check for DTCs and note any codes that are output. (See DTC CHECK/CLEAR )
   RESULT DESCRIPTION
   
   

   Result	Proceed to
   DTC is not output	A
   Engine related DTC is output	B
   Engine immobilizer system DTC is output	C

2. Based on the DTCs output above, proceed to each diagnostic procedure.
   1. Go to next step
   2. To engine control system
   3. PROCEED TO DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART )

1. Refer to PROBLEM SYMPTOMS TABLE . (See )
   RESULT DESCRIPTION
   
   

   Result	Proceed to
   Fault is not listed in problem symptoms table	A
   Fault is listed in problem symptoms table	B

   1. Go to next step
   2. Go to step 7

1. Data monitor/active test (Refer to DATA MONITOR/ACTIVE TEST )
2. ECM terminal arrangement. (See ECM TERMINAL ARRANGEMENT )

1. Clear the DTCs. (See DTC CHECK/CLEAR )
2. Check for DTCs. (See DTC CHECK/CLEAR )
   NOTE: Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure. (See DIAGNOSTIC TROUBLE CODE CHART )
   RESULT DESCRIPTION
   
   

   Result	Proceed to
   DTC is not output	A
   Engine immobilizer system DTC is output	B

   1. Go to next step
   2. GO TO DIAGNOSTIC TROUBLE CODE CHART (See DIAGNOSTIC TROUBLE CODE CHART )

END