Diagnosis Circuit: Procedure

1. Check if a CAN communication system DTC is output. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ] .
   RESULT
   
   

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

A → See step   6 

B: Go to next step 

1. Turn the power switch off.

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2. Disconnect the N92 connector from the power management control ECU.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N20-13 (TC) - N92-8 (TC)	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of DLC3
   *b	Rear view of wire harness connector (to Power Management Control ECU)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N20-4 (CG) - Body ground	Always	Below 1 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of DLC3

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N92-8 (TC) - Body ground	Always	1 MΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Power Management Control ECU)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU 

OK → See step   5