Power Source Circuit: Procedure

1. Disconnect the R26 (R27) connector.
   Fig 1: Inspecting Outer Mirror Control ECU (Power Source)

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2. Measure the voltage and resistance according to the value(s) in the table below.

   Outer mirror control ECU LH

   Standard voltage 

   Standard resistance 

   Tester Connection	Condition	Specified Condition
   R26-3 (BDR) - Body ground	Always	10 to 14 V
   R26-7 (CPUB) - Body ground	Always	10 to 14 V
   R26-8 (SIG) - Body ground	Ignition switch ON	10 to 14 V

   Tester Connection	Condition	Specified Condition
   R26-1 (GND) - Body ground	Always	Below 1 Ω

   Outer mirror control ECU RH

   Standard voltage 

   Standard resistance 

   Tester Connection	Condition	Specified Condition
   R27-3 (BDR) - Body ground	Always	10 to 14 V
   R27-7 (CPUB) - Body ground	Always	10 to 14 V
   R27-8 (SIG) - Body ground	Ignition switch ON	10 to 14 V

   Tester Connection	Condition	Specified Condition
   R27-1 (GND) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE WIRE HARNESS 

OK → REPLACE OUTER MIRROR CONTROL ECU