Inspection Procedure

1. Remove the FR DOOR LH fuse from the cowl side J/B LH.
2. Measure the resistance of the fuse.

   Standard resistance: 

   Below 1 Ω 

NG: REPLACE FUSE 

OK: Go to next step. 

1. Disconnect the M10 ECU connector.
2. Measure the voltage and resistance of the wire harness side connector.

   Standard voltage 

   TESTER CONNECTION AND SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   BDR (M10-6) - Body ground	Always	10 to 14 V

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Specified Condition
   GND (M10-1) - Body ground	Below 1 Ω

   Fig 1: Identifying Outer Mirror Control ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step. 

1. Disconnect the M10, J55 and 2F ECU connectors.
2. Measure the resistance between the specified terminals on the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Specified Condition
   MPX1 (M10-8) - MPX2 (J55-24)	Below 1 ohms
   MPX1 (M10-8) - 2F-5	Below 1 ohms

   Result 

   RESULT DESCRIPTION TABLE
   
   

   Result	Proceed to
   Both are OK	A
   One is OK	B
   Both are NG	C

B: REPAIR OR REPLACE HARNESS OR CONNECTOR AND REPLACE OUTER MIRROR CONTROL ECU 

C: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 2: Identifying Power Source Control ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

A: REPLACE OUTER MIRROR CONTROL ECU