Disconnect the L10 (M10) connector.

( ): RH side

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

• Outer mirror control ECU RH:
• Voltage:

• Tester Connection	Condition	Specified Condition
  L10-6 (BDR) - Body ground	Always	10 to 14 V
  L10-4 (CPUB) - Body ground	Always	10 to 14 V
  L10-3 (SIG) - Body ground	Engine switch on (IG)	10 to 14 V

• Resistance:

• Tester Connection	Condition	Specified Condition
  L10-1 (GND) - Body ground	Always	Below 1 Ω

• Outer mirror control ECU LH:
• Voltage:

• Tester Connection	Condition	Specified Condition
  M10-6 (BDR) - Body ground	Always	10 to 14 V
  M10-4 (CPUB) - Body ground	Always	10 to 14 V
  M10-3 (SIG) - Body ground	Engine switch on (IG)	10 to 14 V

• Resistance:

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