Acura RSX Honda Integra. Manual — part 403
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DTC 4:
DTC 5:
YES
NO
YES
NO
YES
NO
21-19
21-19
CLIMATE CONTROL UNIT 30P CONNECTOR
PNK
CLIMATE CONTROL UNIT 30P CONNECTOR
SUNLIGHT SENSOR 2P CONNECTOR
ORN
ORN
A Short in the Outside Air
Temperature Sensor Circuit
An Open in the Sunlight Sensor
Circuit
1. Remove the outside air temperature sensor
(see page 21-42).
2. Test the outside air temperature sensor (see page
21-42).
Go to step 3.
Replace the outside air temperature sensor.
3. Disconnect the climate control unit 30P connector.
4. Check for continuity between the No. 7 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 outside air
temperature sensor.
Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
1. Disconnect the sunlight sensor 2P connector.
2. Disconnect the climate control unit 30P connector.
3. Check for continuity between the No. 6 terminal of
the climate control unit 30P connector and the
No. 1 terminal of the sunlight sensor 2P connector.
Go to step 4.
Repair open in the wire between the climate
control unit and the sunlight sensor.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is the outside air temper atur e sensor OK ?
Is ther e continuity?
Is ther e continuity?
05/06/27 18:03:14 61S6M040_210_0020
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YES
NO
YES
NO
YES
NO
YES
NO
DTC 6:
21-20
21-20
Climate Control
DTC Troubleshooting (cont’d)
CLIMATE CONTROL UNIT 30P CONNECTOR
SUNLIGHT SENSOR 2P CONNECTOR
LT GRN
LT GRN
CLIMATE CONTROL UNIT 30P CONNECTOR
ORN
4. Check for continuity between the No. 2 terminal of
the climate control unit 30P connector and the
No. 2 terminal of the sunlight sensor 2P connector.
Go to step 5.
Repair open in the wire between the climate
control unit and the sunlight sensor.
5. Reconnect the sunlight sensor 2P connector.
6. Reconnect the climate control unit 30P connector.
7. Test the sunlight sensor (see page 21-43).
Check for loose wires or poor connections at
the climate control unit 30P connector and at the
sunlight 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.
Replace the sunlight sensor.
1. Disconnect the sunlight sensor 2P connector.
2. Disconnect the climate control unit 30P connector.
3. Check for continuity between the No. 6 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 sunlight
sensor.
Go to step 4.
4. Reconnect the sunlight sensor 2P connector.
5. Reconnect the climate control unit 30P connector.
6. Test the sunlight sensor (see page 21-43).
Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
Replace the sunlight sensor.
A Short in the Sunlight Sensor Circuit
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is the sunlight sensor OK ?
Is ther e continuity?
Is the sunlight sensor OK ?
05/06/27 18:04:33 61S6M040_210_0021
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DTC 7:
DTC 8:
YES
NO
YES
NO
21-21
21-21
CLIMATE CONTROL UNIT 30P CONNECTOR
AIR MIX CONTROL MOTOR 5P CONNECTOR
GRY
LT GRN
PNK/BLK
PNK/BLU
GRN
PNK/BLU
GRN
GRY
LT GRN
PNK/BLK
CLIMATE CONTROL UNIT 30P CONNECTOR
LT GRN
GRN
PNK/BLU
GRY
PNK/BLK
An Open in the Air Mix Control Motor
Circuit
A Short in the Air Mix Control Motor
Circuit
1. Disconnect the air mix control motor 5P connector.
2. Disconnect the climate control unit 30P connector.
3. Check for continuity between the following
terminals of the climate control unit 30P connector
and the air mix control motor 5P connector.
30P:
5P:
No. 2
No. 4
No. 4
No. 5
No. 9
No. 3
No. 20
No. 1
No. 21
No. 2
Check for loose wires or poor connections at
the climate control unit 30P connector and at the air
mix control motor 5P connector. If the connections
are good, substitute a known-good air mix control
motor, and recheck. If the symptom/indication goes
away, replace the original air mix control motor. If
the symptom/indication continues, substitute a
known-good climate control unit, and recheck. If
the symptom/indication goes away, replace the
original climate control unit.
Repair any open in the wire(s) between the
climate control unit and the air mix control
motor.
1. Disconnect the air mix control motor 5P connector.
2. Disconnect the climate control unit 30P connector.
3. Check for continuity between body ground and the
climate control unit 30P connector terminals No. 2,
4, 9, 20, and 21 individually.
Repair any short to body ground in the
wire(s) between the climate control unit and the air
mix control motor.
Go to step 4.
(cont’d)
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 18:04:34 61S6M040_210_0022
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YES
NO
YES
NO
YES
NO
DTC 9:
21-22
21-22
Climate Control
DTC Troubleshooting (cont’d)
CLIMATE CONTROL UNIT 30P CONNECTOR
LT GRN
GRN
PNK/BLU
GRY
PNK/BLK
4. Turn the ignition switch ON (II), and check the same
terminals for voltage.
Repair any short to power in the wire(s)
between the climate control unit and the air mix
control motor. This short may also damage the
climate control unit. Repair the short to power
before replacing the climate control unit.
Substitute a known-good air mix control
motor, and recheck. If the symptom/indication goes
away, replace the original air mix control motor. If
the symptom/indication continues, substitute a
known-good climate control unit, and recheck. If
the symptom/indication goes away, replace the
original heater control panel.
1. Test the air mix control motor (see page 21-45).
Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
Go to step 2.
2. Remove the air mix control motor (see page 21-45).
3. Check the air mix control linkage and door for
smooth movement.
Replace the air mix control motor.
Repair the air mix control linkage or door.
A Problem in the Air Mix Control
Linkage, Door, or Motor
Wire side of female terminals
Is ther e any voltage?
Is the air mix contr ol motor OK ?
Do the air mix contr ol linkage and door move
smoothly?
05/06/27 18:04:35 61S6M040_210_0023
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