Acura CSX. Manual — part 481
*02
SNR9A00K711000Y1235FAAT00
−
−
−
−
YES
NO
YES
NO
DTC B1235 or DTC indicator L:
21-42
21-42
Climate Control
RED
CLIMATE CONTROL UNIT 32P CONNECTOR
BLK
GRY
11. Turn the ignition switch to ON (II), and measure the
same terminals for voltage to body ground.
Repair 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 climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
1. Clear the DTC with the HDS.
2. Turn the ignition switch to LOCK (0), and then turn
to ON (II).
3. Do the self-diagnostic with the HDS (see page
21-10) or climate control unit (see page 21-11).
4. Check for DTCs.
Go to step 5.
Intermittent failure.
5. Turn the ignition switch to LOCK (0).
6. Disconnect the air mix control motor 7P connector.
7. Disconnect the climate control unit 32P connector.
A Problem in
the Air Mix Control Linkage, Door, or Motor
Wire side of female terminals
Is ther e any voltage?
Is DT C B1235 or L indicated?
08/08/21 14:42:19 61SNR030_210_0043
01
02
−
−
−
−
−
−
YES
NO
YES
NO
YES
NO
21-43
AIR MIX CONTROL MOTOR 7P CONNECTOR
PNK
LT BLU
CLIMATE CONTROL UNIT 32P CONNECTOR
LT BLU
PNK
LT BLU
PNK
CLIMATE CONTROL UNIT 32P CONNECTOR
8. Check for continuity between the following
terminals of the climate control unit 32P connector
and the air mix control motor 7P connector.
32P:
7P:
No. 9
No. 2
No. 11
No. 1
Go to step 9.
Repair open in the wire(s) between the
climate control unit and the air mix control
motor.
9. Check for continuity between body ground and the
climate control unit 32P connector terminals No. 9
and No. 11 individually.
Repair short to body ground in the wire(s)
between the climate control unit and the air mix
control motor.
Go to step 10.
10. Test the air mix control motor (see page 21-72).
Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
Replace the air mix control motor (see page
21-72), or repair the air mix control linkage or
door.
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 air mix contr ol motor OK ?
08/08/21 14:42:20 61SNR030_210_0044
*01
SNR9A00K711000Y1239FAAT00
−
−
−
−
−
−
DTC B1239 or DTC indicator M:
YES
NO
YES
NO
YES
NO
21-44
Climate Control
MODE CONTROL MOTOR 7P CONNECTOR
BLU
PUR
ORN
LT GRN
RED
PUR
BLU
RED
ORN
LT GRN
CLIMATE CONTROL UNIT 32P CONNECTOR
An Open or
Short in the Mode Control Motor Circuit
1. Clear the DTC with the HDS.
2. Turn the ignition switch to LOCK (0), and then turn
to ON (II).
3. Do the self-diagnostic with the HDS (see page
21-10) or climate control unit (see page 21-11).
4. Check for DTCs.
Go to step 5.
Intermittent failure, check for loose wires or
poor connections on the mode control motor
circuit.
5. Turn the ignition switch to LOCK (0).
6. Test the mode control motor (see page 21-73).
Go to step 7.
Replace the mode control motor (see page
21-73).
7. Disconnect the mode control motor 7P connector.
8. Disconnect the climate control unit 32P connector.
9. Check for continuity between the following
terminals of the climate control unit 32P connector
and the mode control motor 7P connector.
32P:
7P:
No. 19
No. 7
No. 20
No. 3
No. 21
No. 4
No. 22
No. 5
No. 23
No. 6
Go to step 10.
Repair open in the wire(s) between the
climate control unit and the mode control motor.
Wire side of female terminals
Wire side of female terminals
Is DT C B1239 or M indicated?
Is the mode contr ol motor OK ?
Is ther e continuity?
08/08/21 14:42:20 61SNR030_210_0045
02
03
−
−
−
−
−
−
YES
NO
YES
NO
YES
NO
21-45
RED
ORN
BLU
PUR
LT GRN
CLIMATE CONTROL UNIT 32P CONNECTOR
RED
ORN
BLU
PUR
LT GRN
CLIMATE CONTROL UNIT 32P CONNECTOR
10. Check for continuity between body ground and the
climate control unit 32P connector terminals
No. 19, 20, 21, 22, and No. 23 individually.
Repair short to body ground in the wire(s)
between the climate control unit and the mode
control motor.
Go to step 11.
11. Check for continuity between the climate control
unit 32P connector terminals as follows.
From terminal
To terminals
19
20, 21, 22, 23
20
21, 22, 23
21
22, 23
22
23
Repair the short in the wires.
Go to step 12.
12. Turn the ignition switch to ON (II), and measure the
same terminals for voltage to body ground.
Repair 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 32P connector and at the
mode control motor 7P 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.
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity between any of the ter minals?
Is ther e any voltage?
08/08/21 14:42:20 61SNR030_210_0046
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст