2006 ACURA CSX heater




21-82Climate Control
Heater Unit/Core Replacement (cont’d)
A
A
B B
C D
A
6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft)A
9. Disconnect the connector (A) from the recirculation
control motor.
10. Disconnect the connectors (A) from the mode control motor, the evaporator temperature sensor,
and the power transistor. Remove the wire harness
clip (B). 11. Disconnect the connectors (A) from the air mix
control motor and A/C wire harness. Remove the
connector clip (B), the wire harness clips (C), and
the wire harness (D).
12. Remove the mounting bolt, mounting nuts, and blower-heater unit (A).
08/08/21 14:43:44 61SNR030_210_0083
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21-8321-83
A/C Compressor Replacement
A C
B
6x1.0mm
9.8 N·m
(1.0 kgf·m,
7.2 lbf·ft)
A
B
13. Remove the self-tapping screws, the heater core cover (A), the grommet (B). and carefully pull out
the heater core (C).
14. Install the heater core and the evaporator core in the reverse order of removal.
15. Install the heater unit in the reverse order of removal, and note these items:
 Do not interchange the inlet and outlet heater hoses, and install the hose clamps securely.
 Refill the cooling system with engine coolant (see page 10-8).
 Make sure that there is no coolant leakage.
 Make sure that there is no air leakage.
 Refer to evaporator core replacement (see page 21-78).
16. Do the battery terminal reconnection procedure (see page 22-68). NOTE: Do not install an A/C compressor into a system
unless you are completely sure that the system is free
of contamination. Installing the A/C compressor into a
contaminated system can result in premature A/C
compressor failure.
1. If the A/C compressor is marginally operable, run the engine at idle speed, and let the air
conditioning work for a few minutes, then shut the
engine off.
2. Recover the refrigerant with a recovery/recycling/ charging station (see page 21-90).
3. Remove the drive belt (see page 4-31).
4. Remove the front bulkhead and the condenser fan shroud (see page 10-19).
5. Remove the splash shield (see page 20-172).
6. Remove the bolt and the nut, then disconnect the suction hose (A) and discharge hose (B) from the
A/C compressor. Plug or cap the lines immediately
after disconnecting them to avoid moisture and
dust contamination.
(cont’d)
08/08/21 14:43:45 61SNR030_210_0084
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DYNOMITE -2009-


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21-8321-83
A/C Compressor Replacement
A C
B
6x1.0mm
9.8 N·m
(1.0 kgf·m,
7.2 lbf·ft)
A
B
13. Remove the self-tapping screws, the heater core cover (A), the grommet (B). and carefully pull out
the heater core (C).
14. Install the heater core and the evaporator core in the reverse order of removal.
15. Install the heater unit in the reverse order of removal, and note these items:
 Do not interchange the inlet and outlet heater hoses, and install the hose clamps securely.
 Refill the cooling system with engine coolant (see page 10-8).
 Make sure that there is no coolant leakage.
 Make sure that there is no air leakage.
 Refer to evaporator core replacement (see page 21-78).
16. Do the battery terminal reconnection procedure (see page 22-68). NOTE: Do not install an A/C compressor into a system
unless you are completely sure that the system is free
of contamination. Installing the A/C compressor into a
contaminated system can result in premature A/C
compressor failure.
1. If the A/C compressor is marginally operable, run the engine at idle speed, and let the air
conditioning work for a few minutes, then shut the
engine off.
2. Recover the refrigerant with a recovery/recycling/ charging station (see page 21-90).
3. Remove the drive belt (see page 4-31).
4. Remove the front bulkhead and the condenser fan shroud (see page 10-19).
5. Remove the splash shield (see page 20-172).
6. Remove the bolt and the nut, then disconnect the suction hose (A) and discharge hose (B) from the
A/C compressor. Plug or cap the lines immediately
after disconnecting them to avoid moisture and
dust contamination.
(cont’d)
08/08/21 14:43:45 61SNR030_210_0084
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DYNOMITE -2009-

Entry Lights Control System
Power Windows
Wipers/Washers
GaugesReminder Systems
Moonroof
Accessory Power Sockets
Seat Heaters
Power Mirrors
Rear Window Defogger
Immobilizer System......................
.......................................... ......................................... ...........................
.............................. ......................
.......................................... ......................................... ...........................
..............................
Component Location Index . 22-202
Circuit Diagram . 22-203
MICU Input Test . 22-204
Ignition Key Switch Test . 22-207
Ignition Key Light Test . 22-207
......................
...................................
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........................................................
...................................
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.......................................................... ........
.......................................................... ..................................
..................................
Component Location Index
. 22-208
System Description . 22-209
Resetting the Power Window Control Unit . 22-210
Circuit Diagram . 22-212
Power Window Master Switch Input Test . 22-214
Driver’s Power Window Motor Test . 22-217
Passenger’s Power Window Motor Test . 22-218
Power Window Master Switch Test/Replacement . 22-219
Passenger’s Power Window Switch Test/Replacement . 22-220
......................
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...............
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......................................... .......................
....................................... .................................... ...............
....................... ........
...............
........................ ................
......................
Component Location Index
. 22-221
Circuit Diagram . 22-223
DTC Troubleshooting . 22-224
MICU Input Test . 22-228
Wiper/Washer Switch Test . 22-231
Wiper Motor Test . 22-231
Washer Motor Test . 22-232
Washer Fluid Level Switch Test . 22-232
Wiper Motor Replacement . 22-233
Wiper/Washer Switch Replacement . 22-234
Washer Reservoir Replacement . 22-234
Wiper Blade Replacement . 22-235
Wiper Arm/Nozzle Adjustment . 22-236
Washer Tube Replacement . 22-237
......................
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Component Location Index
. 22-238
Self-diagnostic Function . 22-241
Circuit Diagram . 22-244
DTC Troubleshooting . 22-262
Gauge Control Module (Tach) Input Test . 22-271
Gauge Control Module (Speedo) Input Test . 22-274
Rewriting the ODO Data and Transferring the Maintenance
Minder Data to a New Gauge
Control Module . 22-276
Replacement . 22-277
Dash Lights Brightness Controller and Odometer Select/Reset Switch
Test/Replacement . 22-278
Outside Air Temperature Indicator Calibration . 22-279 ......................
.......................................... ......................................... ......................
.......................................... .........................................
Component Location Index
. 22-281
Circuit Diagram . 22-282
MICU Input Test . 22-284
...................... ......
.......................................... ...................
......................
......
.......................................... ...................
Component Location Index
. 22-286
Resetting the Moonroof Control Unit . 22-287
Circuit Diagram . 22-288
Moonroof Control Unit Input Test . 22-290
Moonroof Switch Test/Replacement . 22-293
......................
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Component Location Index
. 22-294
Circuit Diagram . 22-295
Front Accessory Power Socket Test/Replacement . 22-296
Console Accessory Power Socket Test/Replacement . 22-297
......................
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........................................
Component Location Index
. 22-298
Circuit Diagram . 22-300
Switch Test/Replacement . 22-302
Seat Heater Test . 22-302
......................
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Component Location Index
. 22-304
Circuit Diagram . 22-305
Function Test . 22-306
Power Mirror Switch Test/Replacement . 22-307
Power Mirror Actuator Test . 22-307
Power Mirror Actuator Replacement . 22-308
......................
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.............................................. ......................................................
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Component Location Index
. 22-310
Circuit Diagram . 22-311
Function Test . 22-312
Defogger Wire Repair . 22-313
......................
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................................................ ...........................................
Component Location Index
. 22-314
System Description . 22-315
Circuit Diagram . 22-316
DTC Troubleshooting . 22-317
Symptom Troubleshooting Information . 22-321
Symptom Troubleshooting . 22-323
System Check . 22-326
Status Log . 22-328
Immobilizer Key Registration . 22-329
Immobilizer-Keyless Control Unit Input Test . 22-330
Immobilizer-Keyless Control Unit Replacement . 22-332
08/08/21 14:22:03 61SNR030_220_0003
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(#') Driver’s Seat
Front Passenger’s Seat
22-12Relay and Control Unit Locations
Seat
DRIVER’S SEAT HEATER RELAY (HIGH)
DRIVER’S SEAT HEATER RELAY (LOW)
FRONT PASSENGER’S SEAT HEATER RELAY (HIGH)
FRONT PASSENGER’S SEAT HEATER RELAY (LOW)OPDS UNIT
Wire colors: RED, ORN, GRN/RED, and BLK
Wirecolors:BRN,RED,BLK,BLK,andBLU/YEL
Wirecolors:RED,ORN,GRN/RED,andBLK
Wire colors: BRN, RED, BLK, BLK, and BLU/YEL
08/08/21 14:22:07 61SNR030_220_0014
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HarnessLocation
Engine Compartment Dashboard Others (Floor, Door, Trunk, and Roof)Notes
22-13
Connectors and Harnesses
Connector Index
Identification numbers have been assigned to in-line connectors, junction connectors, and terminals. The number is preceded by the letter ‘‘C’’
for connectors, ‘‘G’’ for ground terminals, or ‘‘T’’ for non-ground terminals.
A/C wire harness C205, C504 (see page 22-56)
Battery ground cable ( ), G1 (see page 22-14)
Console subharness C551, C601, C603 (see page 22-57)
Dashboard wire harness
(View of driver’s side) C201, C202, C203, C501,
C502, C751, C752, C801
G501, G503(see page 22-28)
Dashboard wire harness
(View of middle section) C503, C506, C551
G504, G506(see page 22-30)
Dashboard wire harness
(View of passenger’s side) C504, C761, C762
G502, G505(see page 22-32)
Driver’s door subharness C754 (see page 22-46)
Driver’s door wire harness C751, C752 C753, C754 (see page 22-46)
Driver’s seat position sensor harness
(With seat heater) C602 (see page 22-52)
Driver’s seat position sensor harness
(Without seat heater) C602 (see page 22-53)
Driver’s seat wire harness C602, C604 (see page 22-52)
Engine compartment wire harness
(Left branch) C101, C102, C103
G301C201 through C205, C209
G401 (see page 22-22)
Engine compartment wire harness
(Right branch) C206, C207
G201, G202G402, G403 (see page 22-26)
Engine ground cable A T1, G2 (see page 22-14)
Engine ground cable B T2, G3 (see page 22-14)
Engine wire harness (A/T) C101, C103, C105, C106, C107
G101 (see page 22-16)
Engine wire harness (M/T) C101, C105, C106 G101 (see page 22-18)
Floor wire harness (Left branch) C204, C209, C501, C502, C506, C601, C603C602, C604, C701,
C702, C771
G601, G603(see page 22-34)
Floor wire harness (Right branch) C781, C782, C783 G602(see page 22-38)
Front passenger’s door subharness C763 (see page 22-48)
Front passenger’s door wire harness C761, C762 C763 (see page 22-48)
Front passenger’s seat wire harness
(With seat heater) C782, C783 (see page 22-54)
Left rear door wire harness C771 (see page 22-50)
ODS unit harness (With seat heater) C782 (see page 22-54)
ODS unit harness (Without seat
heater) C782 (see page 22-55)
Rear window defogger ground wire G801 (see page 22-42)
Rear wire harness (Left branch) C701, C702, C703 G701(see page 22-40)
Rear wire harness (Right branch) (see page 22-42)
Right rear door wire harness C781 (see page 22-51)
Roof wire harness (With moonroof) C801 (see page 22-44)
Roof wire harness (Without moonroof) C801 (see page 22-45)
Shift solenoid wire harness (A/T) C107 (see page 22-16)
Starter subharness ( ) C102, C106
T3, T4
T101, T102 (see page 22-20)
Trunk lid spoiler subharness (TYPE S
model) C703 (see page 22-40)
USB harness C671 (see page 22-34)
USB subharness C671 (see page 22-57)
08/08/21 14:22:07 61SNR030_220_0015
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Under-dash Fuse/Relay Box
Fuse
Number Amps
Component(s) or Circuit(s) Protected
22-62Power Distribution
Fuse to Components Index (cont’d)
1 7.5 A Power mirror switch light
2 15 A ECM/PCM, Fuel pump (via PGM-FI main relay 2), Immobilizer-keyless control unit
3 10 A Alternator, CMP sensor A, ECM/PCM (via brake pedal position switch), ELD, EVAP canister purge valve, MAF
sensor/IAT sensor, Reverse lockout solenoid , Secondary HO2S (sensor 2)
4 7.5 A ABS modulator-control unit , EPS control unit, VSA modulator-control unit , Yaw rate-lateral acceleration sensor
5 15 A Seat heaters (via seat heater relays)
6 20 A Fog light relay, Fog lights (via fog light relay)
7 Not used
8 Not used
9 7.5 A ODS unit, Passenger’s airbag cutoff indicator, SRS unit
10 7.5 A Back-up light (M/T), Gauge control module (speedo), Gauge control module (tach), MICU, Shift lock solenoid (A/T), TPMS control unit
11 10 A SRS unit
12 10 A Right headlight (high beam)
13 10 A Left headlight (high beam)
14 7.5 A Audio unit light , Climate control unit light, Dash lights brightness controller and odometer select/reset switch light, Driver’s footwell light , Driver’s seat heater switch light, Glove box light, Hazard warning switch light,
Moonroof switch light, Navigation unit , Park pin switch light (A/T), Passenger’s airbag cutoff indicator light,
Passenger’s footwell light , Passenger’s seat heater switch light, Steering wheel switches light (via cable reel),
VSA OFF switch light
15 7.5 A Parking lights, Taillights, License plate lights, Side marker lights
16 10 A Right headlight (low beam) 15 A Right HID unit
17 10 A Left headlight (low beam) 15 A Left HID unit
18 20 A MICU ( B H/L HI)
19 15 A MICU ( B SMALL LT)
20 Not used
1: ’06-07 Touring and Premium models
2: ’07 TYPE S and ’08-09 models
3: ’08-09 models
4: TYPE S model
5: With HID
6: Without HID
7: TYPE S and ’08 Premium and ’09 models
8: Without navigation system
9: With navigation system
4
1 2
2
7
3
8 49
4
6
5
6
5
08/08/21 14:24:03 61SNR030_220_0064
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Fuse
Number Amps
Component(s) or Circuit(s) Protected
22-63
23 45
1 16 17
19
18 20
11
12 1413 15
26 27 2928 30
21 22
2423 25
36 37
38
3132
34
33
35
10
67 8
9
21 20 A MICU ( B H/L LO)
30 A MICU ( B H/L LO)
22 Not used
23 Not used
24 20 A Moonroof control unit/motor
25 20 A MICU ( B DR LOCK)
26 20 A Driver’s power window motor (via power window master switch)
27 Not used
28 15 A Console accessory power socket (via console accessory power socket relay)
29 15 A Front accessory power socket (via front accessory power socket relay)
30 20 A Front passenger’s power window motor
31 Not used
32 20 A Moonroof control unit/motor, Moonroof switch , Right rear power window motor
33 20 A Left rear power window motor
34 Not used
35 7.5 A Audio unit , Console accessory power socket relay, Front accessory power socket relay, HandsFreeLink control unit , Ignition key switch, Navigation unit , Stereo amplifier
36 10 A Climate control unit, Driver’s seat heater switch, Fan control relay and radiator fan relay (via A/C diode), Passenger’s seat heater switch, Power mirrors (via power mirror switch), Under-hood fuse/relay box (A/C
compressor clutch relay, Blower motor relay, Power mirror defogger relay, Rear window defogger relay)
37 7.5 A MICU (daytime running lights power supply)
38 30 A MICU (IG 1 WIPER)
1: ’06-07 models
2: TYPE S model
3: Without HID
4: With HID
5: ’09 model with navigation system
6: Without navigation system
7: With navigation system3
4
1
6
5 72
08/08/21 14:24:03 61SNR030_220_0065
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