Toyota Tundra Service Manual: Inspection

Toyota Tundra Service Manual / Vehicle Interior / Mirror / Outer Mirror Switch / Inspection

INSPECTION

PROCEDURE

1. INSPECT OUTER MIRROR SWITCH ASSEMBLY (w/o Retract Mirror)

(a) Check the resistance.

(1) Select "L" on the left/right adjustment switch.

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

Standard Resistance:

Tester Connection	Condition		Specified Condition
4 (VL) - 8 (B) 6 (M+) - 7 (E)	UP	Pressed	Below 1 Ω
4 (VL) - 8 (B) 6 (M+) - 7 (E)	UP	Not pressed	10 kΩ or higher
4 (VL) - 7 (E) 6 (M+) - 8 (B)	DOWN	Pressed	Below 1 Ω
4 (VL) - 7 (E) 6 (M+) - 8 (B)	DOWN	Not pressed	10 kΩ or higher
5 (HL) - 8 (B) 6 (M+) - 7 (E)	LEFT	Pressed	Below 1 Ω
5 (HL) - 8 (B) 6 (M+) - 7 (E)	LEFT	Not pressed	10 kΩ or higher
5 (HL) - 7 (E) 6 (M+) - 8 (B)	RIGHT	Pressed	Below 1 Ω
5 (HL) - 7 (E) 6 (M+) - 8 (B)	RIGHT	Not pressed	10 kΩ or higher

Text in Illustration

*a	Component without harness connected (Outer Mirror Switch Assembly)

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

(3) Select "R" on the left/right adjustment switch.

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

Standard Resistance:

Tester Connection	Condition		Specified Condition
3 (VR) - 8 (B) 6 (M+) - 7 (E)	UP	Pressed	Below 1 Ω
3 (VR) - 8 (B) 6 (M+) - 7 (E)	UP	Not pressed	10 kΩ or higher
3 (VR) - 7 (E) 6 (M+) - 8 (B)	DOWN	Pressed	Below 1 Ω
3 (VR) - 7 (E) 6 (M+) - 8 (B)	DOWN	Not pressed	10 kΩ or higher
2 (HR) - 8 (B) 6 (M+) - 7 (E)	LEFT	Pressed	Below 1 Ω
2 (HR) - 8 (B) 6 (M+) - 7 (E)	LEFT	Not pressed	10 kΩ or higher
2 (HR) - 7 (E) 6 (M+) - 8 (B)	RIGHT	Pressed	Below 1 Ω
2 (HR) - 7 (E) 6 (M+) - 8 (B)	RIGHT	Not pressed	10 kΩ or higher

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

2. INSPECT OUTER MIRROR SWITCH ASSEMBLY (w/o Retract Mirror, w/ Memory)

(a) Inspect the outer mirror switch assembly.

(1) Select "L" on the left/right adjustment switch.

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

Standard Resistance:

Tester Connection	Condition		Specified Condition
3 (M+) - 2 (E1)	UP	Pressed	100 Ω
3 (M+) - 2 (E1)	UP	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	DOWN	Pressed	470 Ω
3 (M+) - 2 (E1)	DOWN	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	LEFT	Pressed	800 Ω
3 (M+) - 2 (E1)	LEFT	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	RIGHT	Pressed	250 Ω
3 (M+) - 2 (E1)	RIGHT	Not pressed	10 kΩ or higher
1 (MSW) - 2 (E1)	L switch	Pressed	100 Ω
1 (MSW) - 2 (E1)	L switch	Not pressed	10 kΩ or higher

Text in Illustration

*a	Component without harness connected (Outer Mirror Switch Assembly)

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

(3) Select "R" on the left/right adjustment switch.

(4) Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition		Specified Condition
3 (M+) - 2 (E1)	UP	Pressed	100 Ω
3 (M+) - 2 (E1)	UP	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	DOWN	Pressed	470 Ω
3 (M+) - 2 (E1)	DOWN	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	LEFT	Pressed	800 Ω
3 (M+) - 2 (E1)	LEFT	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	RIGHT	Pressed	250 Ω
3 (M+) - 2 (E1)	RIGHT	Not pressed	10 kΩ or higher
1 (MSW) - 2 (E1)	R switch	Pressed	Below 1 Ω
1 (MSW) - 2 (E1)	R switch	Not pressed	10 kΩ or higher

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

3. INSPECT OUTER MIRROR SWITCH ASSEMBLY (w/ Retract Mirror)

(a) Inspect the outer mirror switch assembly.

(1) Select "L" on the left/right adjustment switch.

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

Standard Resistance:

Tester Connection	Condition		Specified Condition
3 (M+) - 2 (E1)	UP	Pressed	100 Ω
3 (M+) - 2 (E1)	UP	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	DOWN	Pressed	470 Ω
3 (M+) - 2 (E1)	DOWN	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	LEFT	Pressed	800 Ω
3 (M+) - 2 (E1)	LEFT	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	RIGHT	Pressed	250 Ω
3 (M+) - 2 (E1)	RIGHT	Not pressed	10 kΩ or higher
1 (MSW) - 2 (E1)	L switch	Pressed	100 Ω
1 (MSW) - 2 (E1)	L switch	Not pressed	10 kΩ or higher

Text in Illustration

*a	Component without harness connected (Outer Mirror Switch Assembly)

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

(3) Select "R" on the left/right adjustment switch.

(4) Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition		Specified Condition
3 (M+) - 2 (E1)	UP	Pressed	100 Ω
3 (M+) - 2 (E1)	UP	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	DOWN	Pressed	470 Ω
3 (M+) - 2 (E1)	DOWN	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	LEFT	Pressed	800 Ω
3 (M+) - 2 (E1)	LEFT	Not pressed	10 kΩ or higher
3 (M+) - 2 (E1)	RIGHT	Pressed	250 Ω
3 (M+) - 2 (E1)	RIGHT	Not pressed	10 kΩ or higher
1 (MSW) - 2 (E1)	R switch	Pressed	Below 1 Ω
1 (MSW) - 2 (E1)	R switch	Not pressed	10 kΩ or higher

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

(b) Inspect the retract switch.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
6 (B) - 7 (MR) 8 (MF) - 4 (E2)	Pressed (Retracts)	Below 1 Ω
6 (B) - 7 (MR) 8 (MF) - 4 (E2)	Not pressed	10 kΩ or higher
6 (B) - 8 (MF) 4 (E2) - 7 (MR)	Pressed (Driving position)	Below 1 Ω
6 (B) - 8 (MF) 4 (E2) - 7 (MR)	Not pressed	10 kΩ or higher

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

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Toyota Tundra Service Manual: Inspection

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