Power Mirror Control System: Inspection

WARNING: This page is about a different car, the 2006 Scion tC. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT OUTER MIRROR SWITCH ASSEMBLY

Select L on the left/right adjustment switch:

Measure the resistance of the switch.

Standard resistance

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
4 (VL) - 8 (B) 6 (M+) - 7 (E)	UP	Below 1 Ω
4 (VL) - 7 (E) 6 (M+) - 8 (B)	DOWN	Below 1 Ω
5 (HL) - 8 (B) 6 (M+) - 7 (E)	LEFT	Below 1 Ω
5 (HL) - 7 (E) 6 (M+) - 8 (B)	RIGHT	Below 1 Ω

If the result is not as specified, replace the switch assembly.

Select R on the left/right adjustment switch:

Measure the resistance of the switch.

Standard resistance

Fig 1: Inspecting Outer Mirror Switch Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
3 (VR) - 8 (B) 6 (M+) - 7 (E)	UP	Below 1 Ω
3 (VR) - 7 (E) 6 (M+) - 8 (B)	DOWN	Below 1 Ω
2 (HR) - 8 (B) 6 (M+) - 7 (E)	LEFT	Below 1 Ω
2 (HR) - 7 (E) 6 (M+) - 8 (B)	RIGHT	Below 1 Ω

If the result is not as specified, replace the switch assembly.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH

Disconnect the mirror connector.

Apply battery voltage to the mirror and check the operation of the mirror.

MEASUREMENT CONDITION AND MIRROR CONDITION

Measurement Condition	Mirror Condition
Battery positive (+) --> 3 (MV) Battery negative (-) --> 4 (COM)	Turns upward (A)
Battery positive (+) --> 4 (COM) Battery negative (-) --> 3 (MV)	Turns downward (B)
Battery positive (+) --> 5 (MH) Battery negative (-) --> 4 (COM)	Turns left (C)
Battery positive (+) --> 4 (COM) Battery negative (-) --> 5 (MH)	Turns right (D)

If the result is not as specified, replace the mirror assembly.

Fig 2: Inspecting Outer Rear View Mirror Assembly LH

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH

Disconnect the mirror connector.

Apply battery voltage to the mirror and check the operation of the mirror.

MEASUREMENT CONDITION AND MIRROR CONDITION

Measurement Condition	Mirror Condition
Battery positive (+) --> 3 (MV) Battery negative (-) --> 4 (COM)	Turns upward (A)
Battery positive (+) --> 4 (COM) Battery negative (-) --> 3 (MV)	Turns downward (B)
Battery positive (+) --> 5 (MH) Battery negative (-) --> 4 (COM)	Turns left (C)
Battery positive (+) --> 4 (COM) Battery negative (-) --> 5 (MH)	Turns right (D)

If the result is not as specified, replace the mirror assembly.

Fig 3: Inspecting Outer Rear View Mirror Assembly RH