Acura RSX Honda Integra. Manual — part 402
21-15
4
MODE1
MODE 5
8
24
28
30
LIGHT
RED
RED/BLK
G402
RED/WHT
18
5 V
BRN
5 V
5
6
7
8
2
1
2
1
2
1
2
1
C
D
B
A
LT GRN
PNK
ORN
LT BLU
BLK/YEL
BLU/WHT
9
11
12
13
23
22
14
4
2
5 V
4
20
21
LT GRN
1
M-DEF
5 V
2
BLK/YEL
15
BLU/RED
3
1
PNK/BLK
GRN
GRY
PNK/BLU
IG2
S-COM
S-COM
5 V
M-COOL
AMD-P
S5V
M-HOT
BLK/YEL
MODE 6
MODE 3
MODE 2
MODE 4
M-VENT
REC
FRS
12 V
17
26
25
16
1
1
2
5
10
9
6
5
7
2
4
1
3
5
2
YEL/GRN
WHT/BLU
GRN/YEL
BLK
GRN/WHT
LT GRN
YEL/RED
YEL/BLU
RED/BLU
RED/YEL
BLU/YEL
BLU/BLK
G402
BLK
1
2
CLIMATE CONTROL UNIT
BLU
YEL/BLK
27
BLOWER
MOTOR
POWER
TRANSISTOR
AIR MIX
CONTROL
MOTOR
MODE
CONTROL
MOTOR
RECIRCULATION
CONTROL
MOTOR
DRIVING
CIRCUIT
REAR WINDOW
DEFOGGER
RELAY
No. 2 (15 A) *3
No. 2 (10 A) *4 FUSE
(In the under-hood
fuse/relay box)
DASH LIGHTS
BRIGHTNESS
CONTROLLER
(In the gauge
assembly)
*1: USA
*2: Canada
*3: ’02-04 models
*4: ’05-06 models
A: IN-CAR TEMPERATURE
SENSOR
B: OUTSIDE AIR
TEMPERATURE SENSOR
C: SUNLIGHT SENSOR
D: EVAPORATOR
TEMPERATURE SENSOR
05/06/27 18:03:10 61S6M040_210_0016
−
−
−
−
−
−
−
DTC 1:
YES
NO
YES
NO
YES
NO
21-16
Climate Control
DTC Troubleshooting
IN-CAR TEMPERATURE SENSOR
14
10
32
0
50
10
68
20
86
30
104°F
40°C
TEMPERATURE
RESISTANCE
(k
)
12
11
10
9
8
7
6
5
4
3
2
1
CLIMATE CONTROL UNIT 30P CONNECTOR
IN-CAR TEMPERATURE SENSOR 2P CONNECTOR
LT BLU
LT BLU
CLIMATE CONTROL UNIT 30P CONNECTOR
IN-CAR TEMPERATURE SENSOR 2P CONNECTOR
LT GRN
LT GRN
An Open in the In-car Temperature
Sensor Circuit
1. Remove the in-car temperature sensor (see page
21-41).
2. Measure the resistance between the No. 1 and
No. 2 terminals of the in-car temperature sensor.
Check for a change in resistance by heating or
cooling the sensor with a hair dryer.
Go to step 3.
Replace the in-car temperature sensor.
3. Disconnect the climate control unit 30P connector.
4. Check for continuity between the No. 8 terminal of
the climate control unit 30P connector and the
No. 1 terminal of the in-car temperature sensor 2P
connector.
Go to step 5.
Repair open in the wire between the climate
control unit and the in-car temperature sensor.
5. Check for continuity between the No. 2 terminal of
the climate control unit 30P connector and the
No. 2 terminal of the in-car temperature sensor 2P
connector.
Check for loose wires or poor connections at
the climate control unit 30P connector and at the in-
car temperature sensor 2P connector. If the
connections are good, substitute a known-good
climate control unit, and recheck. If the symptom/
indication goes away, replace the original climate
control unit.
Repair open in the wire between the climate
control unit and the in-car temperature sensor.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is the r esistance within the specif ications shown
on the gr aph?
Is ther e continuity?
Is ther e continuity?
05/06/27 18:03:11 61S6M040_210_0017
−
−
−
−
−
−
−
DTC 2:
DTC 3:
YES
NO
YES
NO
YES
NO
21-17
21-17
CLIMATE CONTROL UNIT 30P CONNECTOR
LT BLU
OUTSIDE AIR TEMPERATURE SENSOR
14
10
32
0
50
10
68
20
86
30
104°F
40°C
TEMPERATURE
RESISTANCE
(k
)
12
11
10
9
8
7
6
5
4
3
2
1
A Short in the In-car Temperature
Sensor Circuit
An Open in the Outside Air
Temperature Sensor Circuit
1. Remove the in-car temperature sensor (see page
21-41).
2. Test the in-car temperature sensor (see page 21-41).
Go to step 3.
Replace the in-car temperature sensor.
3. Disconnect the climate control unit 30P connector.
4. Check for continuity between the No. 8 terminal of
the climate control unit 30P connector and body
ground.
Repair short to body ground in the wire
between the climate control unit and the in-car
temperature sensor.
Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
1. Remove the outside air temperature sensor
(see page 21-42).
2. Measure the resistance between the No. 1 and
No. 2 terminals of the outside air temperature
sensor.
Dip the sensor in ice water, and measure
resistance. Then pour warm water on the sensor,
and check for a change in resistance.
Go to step 3.
Replace the outside air temperature sensor.
3. Disconnect the climate control unit 30P connector.
(cont’d)
Wire side of female terminals
Is the in-car temper atur e sensor OK ?
Is ther e continuity?
Is the r esistance within the specif ications shown
on the gr aph?
05/06/27 18:03:12 61S6M040_210_0018
−
−
−
−
YES
NO
YES
NO
21-18
Climate Control
DTC Troubleshooting (cont’d)
CLIMATE CONTROL UNIT 30P CONNECTOR
OUTSIDE AIR TEMPERATURE SENSOR 2P CONNECTOR
PNK
PNK
CLIMATE CONTROL UNIT 30P CONNECTOR
OUTSIDE AIR TEMPERATURE SENSOR 2P CONNECTOR
LT GRN
LT GRN
4. Check for continuity between the No. 7 terminal of
the climate control unit 30P connector and the
No. 2 terminal of the outside air temperature
sensor 2P connector.
Go to step 5.
Repair open in the wire between the climate
control unit and the outside air temperature
sensor.
5. Check for continuity between the No. 2 terminal of
the climate control unit 30P connector and the
No. 1 terminal of the outside air temperature
sensor 2P connector.
Check for loose wires or poor connections at
the climate control unit 30P connector and at the
outside air temperature sensor 2P connector. If the
connections are good, substitute a known-good
climate control unit, and recheck. If the symptom/
indication goes away, replace the original climate
control unit.
Repair open in the wire between the climate
control unit and the outside air temperature
sensor.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
05/06/27 18:03:13 61S6M040_210_0019
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