
AC-92 AIR CONDITIONING - AIR CONDITIONING CONTROL ASSEMBLY (Center
Cluster Integration)
AC3S3-02
INSPECTION
1. Access cab, Standard cab:
INSPECT ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal B7 and
the negative (-) lead to terminal A8 then check that the illumina-
tions lights up.
If operation is not as specified, check the faulty bulb.
: Bulb
A8
B7
I11193
2. Double cab:
INSPECT ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal B2 and
the negative (-) lead to terminal B11 then check that the illu-
minations lights up.
If operation is not as specified, check the faulty bulb.
: Bulb
B2
B11
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3. INSPECT BULB
Set the tester as shown in the illustration to check for continuity.
If continuity exists, replace the heater control.
If no continuity exists, replace the bulb.
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AIR CONDITIONING - AIR CONDITIONING CONTROL ASSEMBLY (Center AC-93
Cluster Integration)
4. Access cab, Standard cab:
INSPECT A/C SWITCH CONTINUITY
Standard:
OFF ON Switch condition Tester connection Specified condition
OFF A12 - A9 No continuity
ON A12 - A9 Continuity
If operation is not as specified, replace the integration circuit
bulb.
A1
A9
A12
I11194
5. Double cab:
INSPECT A/C SWITCH CONTINUITY
Standard:
Switch condition Tester connection Specified condition
OFF ON OFF A17 - A18 No continuity
ON A17 - A18 Continuity
If operation is not as specified, replace the integration circuit
bulb.
A17
A18
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6. Access cab, Standard cab:
Connector "A" A1
INSPECT A/C INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
A12 and the negative (-) lead to terminal A1.
(b) Push the A/C button in and check that the A/C indicator
lights up.
A12
If operation is not as specified, replace the integration circuit.
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AC-94 AIR CONDITIONING - AIR CONDITIONING CONTROL ASSEMBLY (Center
Cluster Integration)
(c) Connect the positive (+) lead from the battery to terminal
A11 Connector "A" A1
A11 and the negative (-) lead to terminal A10, then check
that the indicator dims.
If operation is not as specified, replace the integration circuit.
A10
A12
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Connector "A" 7. Double cab:
INSPECT A/C INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
A17 and the negative (-) lead to terminal A10.
(b) Push the A/C button in and check that the A/C indicator
A17 A10 lights up.
If operation is not as specified, replace the integration circuit.
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8. Access cab, Standard cab:
INSPECT AIR INLET CONTROL SWITCH CONTINUITY
Switch condition Tester connection Specified condition
OFF ON
OFF B13 - A1 No continuity
ON B13 - A1 Continuity
Illumination circuit A4 - B13 Continuity
If operation is not as specified, replace the integration circuit
bulb
A1
B13
A4
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AIR CONDITIONING - AIR CONDITIONING CONTROL ASSEMBLY (Center AC-95
Cluster Integration)
9. Double cab:
INSPECT AIR INLET CONTROL SWITCH CONTINUITY
Switch condition Tester connection Specified condition
OFF B8 - A10 No continuity
OFF ON ON B8 - A10 Continuity
Illumination circuit A14 - B8 Continuity
If operation is not as specified, replace the integration circuit
bulb
A10 B8
A14
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10. Access cab, Standard cab:
A4 Connector "A" A1
INSPECT AIR INLET INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
A4 and the negative (-) lead to terminal A1.
(b) Push the air inlet button in and check that the air inlet indi-
cator lights up.
If operation is not as specified, replace the integration circuit.
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(c) Connect the positive (+) lead from the battery to terminal
A4 Connector "A" A1
A11 and the negative (-) lead to terminal A10, then check
that the indicator dims.
If operation is not as specified, replace the integration circuit.
A11 A10
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Connector "A" 11. Double cab:
INSPECT AIR INLET INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
A14 and the negative (-) lead to A10.
(b) Push the air inlet button in and check that the air inlet indi-
A14 A10 cator lights up.
If operation is not as specified, replace the integration circuit.
I27867