How To Proceed With Troubleshooting [04/2018 -]: Procedure

Result

Result: 

NEXT 

See step  2

1. Interview the customer to confirm the problem.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 -]

   Result

   Proceed to
   NEXT

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.

2. Check the fuses and relays.
3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Using the Techstream, check for LIN communication system DTCs.

   Refer to DTC CHECK / CLEAR [04/2018 -]

   Result

   Result	Proceed to
   DTC B14B5 is not output	A
   DTC B14B5 is output	B

Result: 

B 

GO TO SEAT HEATER SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [04/2018 -] 

Result: 

A 

See step  5

1. Refer to Problem Symptoms Table.

   Refer to PROBLEM SYMPTOMS TABLE [04/2018 -] 

   Result

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

Result: 

B 

See step  7

Result: 

A 

See step  6

1. Terminals of ECU

   Refer to TERMINALS OF ECU [04/2018 -] 

2. On-vehicle Inspection

   Refer to ON-VEHICLE INSPECTION [04/2018 -] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

Result

Result: 

NEXT 

See step  8

Result

Result: 

NEXT 

END