Acura RSX Honda Integra. Manual — part 404
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DTC 10:
YES
NO
YES
NO
21-23
LT GRN
YEL/GRN
WHT/BLU
RED/BLU
YEL/RED
YEL/BLU
RED/YEL
RED/YEL
WHT/BLU
LT GRN
YEL/BLU
YEL/
RED
YEL/
GRN
RED/BLU
CLIMATE CONTROL UNIT 30P CONNECTOR
MODE CONTROL MOTOR 10P CONNECTOR
CLIMATE CONTROL UNIT 30P CONNECTOR
LT GRN
YEL/RED
YEL/BLU
YEL/GRN
RED/YEL
WHT/BLU
RED/BLU
An Open or Short in the Mode
Control Motor Circuit
1. Disconnect the mode control motor 10P 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 mode control motor 10P connector.
30P:
10P:
No. 2
No. 10
No. 11
No. 8
No. 12
No. 6, 9
No. 13
No. 5
No. 14
No. 4, 7
No. 22
No. 1
No. 23
No. 2
Go to step 4.
Repair any open in the wire(s) between the
climate control unit and the mode control motor.
4. Check for continuity between body ground and the
climate control unit 30P connector terminals No. 2,
11, 12, 13, 14, 22, and 23 individually.
Repair any short to body ground in the
wire(s) between the climate control unit and the
mode control motor.
Go to step 5.
(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 18:04:36 61S6M040_210_0024
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YES
NO
YES
NO
YES
NO
DTC 11:
21-24
21-24
Climate Control
DTC Troubleshooting (cont’d)
CLIMATE CONTROL UNIT 30P CONNECTOR
LT GRN
YEL/RED
YEL/BLU
YEL/GRN
RED/YEL
WHT/BLU
RED/BLU
5. 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 mode
control motor. This short may also damage the
climate control unit. Repair the short to power
before replacing the climate control unit.
Check for loose wires or poor connections at
the climate control unit 30P connector and at the
mode control motor 10P connector. If the
connections are good, substitute a known-good
mode control motor, and recheck. If the symptom/
indication goes away, replace the original mode
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.
1. Test the mode control motor (see page 21-46).
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 mode control motor (see page 21-46).
3. Check the mode control linkage and doors for
smooth movement.
Replace the mode control motor.
Repair the mode control linkage or doors.
A Problem in the Mode Control
Linkage, Doors, or Motor
Wire side of female terminals
Is ther e any voltage?
Is the mode contr ol motor OK ?
Do the mode contr ol linkage and door s move
smoothly?
05/06/27 18:04:37 61S6M040_210_0025
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DTC 12:
YES
NO
YES
NO
YES
NO
YES
NO
21-25
BLOWER MOTOR 2P CONNECTOR
BLU/BLK
JUMPER
WIRE
POWER TRANSISTOR 4P CONNECTOR
BLK
POWER TRANSISTOR 4P CONNECTOR
BLK
BLU/BLK
JUMPER
WIRE
A Problem in the Blower Motor
Circuit
1. Check the No. 12 (40 A) fuse in the under-hood
fuse/relay box, and the No. 14 (10 A) fuse in the
under-dash fuse/relay box.
Go to step 2.
Replace the fuse(s), and recheck.
2. Connect the No. 2 terminal of the blower motor 2P
connector to body ground with a jumper wire.
3. Turn the ignition switch ON (II).
Go to step 4.
Go to step 17.
4. Turn the ignition switch OFF.
5. Disconnect the jumper wire.
6. Disconnect the power transistor 4P connector.
7. Check for continuity between the No. 3 terminal of
the power transistor 4P connector and body ground.
Go to step 8.
Check for an open in the wire between the
power transistor and body ground. If the wire is OK,
check for poor ground at G402.
8. Connect the No. 1 and No. 3 terminals of the power
transistor 4P connector with a jumper wire.
9. Turn the ignition switch ON (II).
Go to step 10.
Repair open in the wire between the power
transistor and the blower motor.
10. Turn the ignition switch OFF.
11. Disconnect the jumper wire.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Ar e the f uses OK ?
Does the blower motor r un?
Is ther e continuity?
Does the blower motor r un at high speed?
05/06/27 18:04:38 61S6M040_210_0026
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−
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YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
21-26
Climate Control
DTC Troubleshooting (cont’d)
CLIMATE CONTROL UNIT 30P CONNECTOR
BLU/RED
BLU/YEL
CLIMATE CONTROL UNIT 30P CONNECTOR
POWER TRANSISTOR 4P CONNECTOR
BLU/RED
BLU/YEL
BLU/RED
BLU/YEL
BLOWER MOTOR 2P CONNECTOR
BLU/WHT
12. Disconnect the climate control unit 30P connector.
13. Check for continuity between the No. 16 and No. 17
terminals of the climate control unit 30P connector
and body ground individually.
Repair any short to body ground in the
wire(s) between the climate control unit and the
power transistor.
Go to step 14.
14. Check for continuity between the following
terminals of the climate control unit 30P connector
and power transistor 4P connector.
30P:
4P:
No. 16
No. 2
No. 17
No. 4
Go to step 15.
Repair any open in the wire(s) between the
climate control unit and the power transistor.
15. Reconnect the climate control unit 30P connector.
16. Test the power transistor (see page 21-48).
Check for loose wires or poor connections at
the climate control unit 30P connector and at the
power transistor 4P 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 power transistor.
17. Disconnect the jumper wire.
18. Disconnect the blower motor 2P connector.
19. Measure the voltage between the No. 1 terminal of
the blower motor 2P connector and body ground.
Replace the blower motor.
Go to step 20.
20. Turn the ignition switch OFF.
21. Remove the blower motor relay from the under-
hood fuse/relay box, and test it (see page 22-62).
Go to step 22.
Replace the blower motor relay.
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?
Is the power tr ansistor OK ?
Is ther e batter y voltage?
Is the r elay OK ?
05/06/27 18:04:40 61S6M040_210_0027
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