Toyota Tacoma 2015-2018 Service Manual: Inspection

Toyota Tacoma 2015-2018 Service Manual / Air Conditioning / Air Conditioning Panel(for Manual Air Conditioning System) / Inspection

INSPECTION

PROCEDURE

1. INSPECT AIR CONDITIONING CONTROL ASSEMBLY

(a) Check the blower switch resistance.

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

Text in Illustration

*a	Component without harness connected (Air Conditioning control assembly)
*b	Blower Switch OFF Position
*c	Blower Switch LO Position
*d	Blower Switch M1 Position
*e	*Blower Switch M2 Position
*f	Blower Switch Hi Position

Standard Resistance:

Tester Connection	Blower Switch Position	Specified Condition
2 (LO) - 3 (HI) - 4 (M2) - 6 (BGND) - 7(M1)	Blower switch: OFF	10 KΩ or higher
2 (LO) - 6 (BGND)	Blower switch: LO	Below 1 Ω
2 (LO) - 6 (BGND) - 7 (M1)	Blower switch: M1	Below 1 Ω
2 (LO) - 4 (M2) - 6 (BGND)	Blower switch: M2	Below 1 Ω
2 (LO) - 3 (HI) - 6 (BGND)	Blower switch: HI	Below 1 Ω

If the result is not as specified, replace the air conditioning control assembly.

(b) Check the operation.

(1) Apply battery voltage across terminals 14 (IG+) and 1 (GND).

(2) Connect the positive (+) tester probe of a voltmeter to terminal 2 (AMSW) and negative (-) tester probe to terminal 1 (GND), then check the voltage.

Text in Illustration

*a	Component without harness connected (Air Conditioning control assembly)
*b	0° (MAX A/C)
*c	120°
*d	240° (MAX HOT)

Standard Voltage:

Angle (Position)	Specified Condition
0° (MAX A/C)	0 to 0.4 V
120°	6.3 to 7.2 V
240° (MAX HOT)	13 to 13.5 V

If the result is not as specified, replace the air conditioning control assembly.

(1) Apply battery voltage across terminals 14 (IG+) and 1 (GND).

(2) Connect the positive (+) tester probe of a voltmeter to terminal 3 (MSET) and negative (-) tester probe to terminal 1 (GND), then check the voltage.

Text in Illustration

*a	Component without harness connected (Air Conditioning control assembly)
*b	DEF
*c	FACE
*d	B/L
*e	*FOOT
*f	FOOT/DEF

Standard Voltage:

Angle (Position)	Specified Condition
0° (FACE)	13.3 to 13.5 V
60° (B/L)	10.1 to 11.0 V
120° (FOOT)	6.3 to 7.2 V
180° (FOOT/DEF)	2.5 to 3.4 V
240° (DEF)	0 to 0.2 V

If the result is not as specified, replace the air conditioning control assembly.

(d) Inspect the illumination.

(1) Connect the positive (+) lead to terminal 6 (ILL+) and negative (-) lead to terminal 9 (ILL-), and check that the illuminations comes on.

OK:

Illuminations comes on.

If the result is not as specified, replace the air conditioning control assembly.

Components

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Installation

INSTALLATION PROCEDURE 1. INSTALL TRANSFER POSITION SWITCH (for 4WD) Click here 2. INSTALL ENGINE SWITCH Click here 3. INSTALL AIR CONDITIONING CONTROL ASSEMBLY (a) Connect the connectors. ...

Other materials:

Transmission Control Switch Circuit
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Removal
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Portable Player cannot be Registered
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