How To Proceed With Troubleshooting [10/2014 - 09/2017]: Procedure

Result

Result: 

NEXT 

See step  2

1. Measure the voltage of the auxiliary battery.

   Standard voltage

   11 to 14 V

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

2. Using the Techstream, inspect auxiliary battery voltage reduction history "Battery Voltage Lo Record" in the Data List.

   Refer to DATA LIST / ACTIVE TEST [10/2014 - 09/2017] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

HINT: 

Refer to DTC Check / Clear.

Refer to DTC CHECK / CLEAR [10/2014 - 09/2017] 

Chassis > EMPS > Trouble Codes 

Result

Result: 

NEXT 

See step  4

Result

Result: 

Symptom occurs 

See step  6

Result: 

Symptom does not occur 

See step  5

Result

Result: 

NEXT 

See step  6

1. Check for DTCs.

   Refer to DIAGNOSIS SYSTEM [10/2014 - 09/2017]

   Result

   Proceed to
   CAN communication system DTC is not output
   CAN communication system DTC is output

   HINT: 

   • If any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
   • If communication to the power steering ECU assembly cannot be established through the Techstream, inspect terminals CANH and CANL of the DLC3 and the power steering ECU assembly, and the IG circuit of the power steering ECU assembly.

Result: 

CAN communication system DTC is output 

PROCEED TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 09/2017] 

Result: 

CAN communication system DTC is not output 

See step  7

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2014 - 09/2017] 

   Chassis > EMPS > Trouble Codes 

   HINT: 

   Refer to Diagnostic Trouble Code Chart when any DTCs are output.

   Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2014 - 09/2017] 

   Result

   Proceed to
   DTC is not output
   DTC is output

Result: 

DTC is output 

See step  10

Result: 

DTC is not output 

See step  8

1. Refer to Problem Symptoms Table.

   Refer to PROBLEM SYMPTOMS TABLE [10/2014 - 09/2017] 

   Result

   Proceed to
   Fault is not listed in Problem Symptoms Table
   Fault is listed in Problem Symptoms Table

Result: 

Fault is listed in Problem Symptoms Table 

See step  10

Result: 

Fault is not listed in Problem Symptoms Table 

See step  9

1. Refer to Terminals of ECU.

   Refer to TERMINALS OF ECU [10/2014 - 09/2017] 

2. Refer to Data List / Active Test.

   Refer to DATA LIST / ACTIVE TEST [10/2014 - 09/2017] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  10

Result

Result: 

NEXT 

See step  11

Result

Result: 

NEXT 

END