2006 ACURA CSX Radiator


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21-8921-89
Receiver/Dryer Desiccant
Replacement
A 6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft)
6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft) A
B
C
8. Remove the A/C condenser (A) by lifting it up. Be careful not to damage the radiator and A/C
condenser fins when removing the A/C condenser.
9. Install the A/C condenser in the r everse order of
removal, and note these items:
 If you’re installing a new A/C condenser, add refrigerant oil (SP-10) (see page 21-7).
 Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before
installing them. Be sure to use the correct O-rings
for HFC-134a (R-134a) to avoid leakage.
 Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture
absorption.
 Do not spill the refrigerant oil on the vehicle; it may damage the paint; if the refrigerant oil
contacts the paint, wash it off immediately.
 Charge the system (see page 21-92).
 Adjust the hood latch (see page 20-152). NOTE: Install the receiver/dryer as quickly as possible
to prevent the system from absorbing moisture from
the air.
1. Remove the A/C condenser (see page 21-88).
2. Remove the bolts from the A/C condenser, then remove the receiver/dryer (A), the bracket (B), and
the O-rings (C).
3. Install the receiver/dryer in the reverse order of removal. Replace the O-rings with new ones, and
apply a thin coat of refrigerant oil (SP-10) before
installing them. Be sure to use the correct O-rings
for HFC-134a (R-134a) to avoid leakage.
08/08/21 14:43:49 61SNR030_210_0090
ProCarManuals.com
DYNOMITE -2009-


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21-8921-89
Receiver/Dryer Desiccant
Replacement
A 6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft)
6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft) A
B
C
8. Remove the A/C condenser (A) by lifting it up. Be careful not to damage the radiator and A/C
condenser fins when removing the A/C condenser.
9. Install the A/C condenser in the r everse order of
removal, and note these items:
 If you’re installing a new A/C condenser, add refrigerant oil (SP-10) (see page 21-7).
 Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before
installing them. Be sure to use the correct O-rings
for HFC-134a (R-134a) to avoid leakage.
 Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture
absorption.
 Do not spill the refrigerant oil on the vehicle; it may damage the paint; if the refrigerant oil
contacts the paint, wash it off immediately.
 Charge the system (see page 21-92).
 Adjust the hood latch (see page 20-152). NOTE: Install the receiver/dryer as quickly as possible
to prevent the system from absorbing moisture from
the air.
1. Remove the A/C condenser (see page 21-88).
2. Remove the bolts from the A/C condenser, then remove the receiver/dryer (A), the bracket (B), and
the O-rings (C).
3. Install the receiver/dryer in the reverse order of removal. Replace the O-rings with new ones, and
apply a thin coat of refrigerant oil (SP-10) before
installing them. Be sure to use the correct O-rings
for HFC-134a (R-134a) to avoid leakage.
08/08/21 14:43:49 61SNR030_210_0090
ProCarManuals.com
DYNOMITE -2009-

Test results Related symptoms Probable causeRemedy
21-104Climate Control
A/C System Test (cont’d)














Suction and
discharge pressures
are abnormally high,
and refrigerant line
temperatures are
abnormal
The high pressure
vapor line to the
condenser is too hot.
The low pressure liquid
line from the
expansion valve is not
cold.
There is an abrupt
temperature drop
along a refrigerant line,
or in the condenser or
evaporator.The A/C system
refrigerant flow is
restricted.
Replace the restricted line or
component.
Suction and
discharge pressures
are abnormally high,
but drop rapidly
when the
compressor
disengages After stopping the A/C
compressor, the
discharge pressure
quickly drops about
196 kPa (28 psi), then
falls gradually.
The input and output
temperatures at the
expansion valve are
not similar.There is excess air in
the A/C system.
Recover refrigerant (see page 21-90),
evacuate the system (see page 21-91),
and recharge the system (see page
21-92).
Suction and
discharge pressures
are abnormally high,
and there is little or
no airflow through
the A/C condenser The condenser
and/or radiator fins
are clogged.
The condenser fins
are damaged.
The condenser
and/or radiator
fans are not
working properly.Clean debris from the condenser
and/or radiator fins.
Comb the condenser fins to repair
any damage.
Troubleshoot the A/C condenser fan
and/or the radiator fan circuit(s).
The suction pressure
is high and the
discharge pressure is
low. Both pressures
are steady The liquid line
temperature is similar
on both sides of
expansion valve.
System pressures do
not vary at a steady
engine speed.The expansion valve
is stuck open.
Replace the expansion valve (see page
21-80).
The suction pressure
is low, the discharge
pressure is high, and
the refrigerant
temperature changes
abnormally
somewhere in the
system The high pressure
liquid line going into
the expansion valve is
cold.
There is an abrupt
temperature drop in
the line between the
compressor and the
condenser, or in the
line between the
condenser and the
expansion valve.The A/C system
refrigerant flow is
restricted.
Replace the restricted line or
component.
08/08/21 14:44:56 61SNR030_210_0105
ProCarManuals.com
DYNOMITE -2009-

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22-7
Relay and Control Unit Locations
Engine Compartment
ABS MODULATOR-CONTROL UNIT
(’06-07 Touring and Premium models) or
VSA MODULATOR-CONTROL UNIT
(’07 TYPE S and ’08-09 models)
ECM/PCM
A/C CONDENSER FAN RELAY FAN CONTROL RELAY
BLOWER MOTOR RELAYPOWERMIRRORDEFOGGERRELAY
PGM-FI SUBRELAY
REAR WINDOW DEFOGGER RELAY
IGNITION COIL RELAY
A/C COMPRESSOR CLUTCH RELAY
UNDER-HOOD FUSE/RELAY BOX
PGM-FI MAIN RELAY 1
(FI MAIN) RADIATOR FAN RELAY
ELECTRONIC THROTTLE CONTROL
SYSTEM (ETCS) CONTROL RELAY
ELECTRICAL LOAD DETECTOR (ELD)
08/08/21 14:22:06 61SNR030_220_0009
ProCarManuals.com
DYNOMITE -2009-

•••
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(#'
) Under-hood Fuse/Relay Box
Socket Ref Terminal Connects toNotes
22-58Fuse/Relay Boxes
Connector to Fuse/Relay Box Index
234
5
1 16
17 19
18
20
11
12
14
13 15
21
22
24
23
25
10 6
7
89
(View of front side) (View of back side)
A (ELD)21 3 Engine compartment wire harness (see page 22-22)
A/C compressor clutch relay 12 4
A/C condenser fan relay 3 4
B 22 1 Engine compartment wire harness (see page 22-22)
Blower motor relay 2 4
C 23 2 Engine compartment wire harness (see page 22-22)
D 25 8 Engine compartment wire harness (see page 22-22)
Diode (for A/C condenser fan) 9
Diode (for radiator fan) 8
E 24 10 Engine compartment wire harness (see page 22-22)
Electronic throttle control system
(ETCS) control relay 14 4
F 17 20 Engine compartment wire harness (see page 22-22)
Fan control relay 4 5
G 19 1 Engine compartment wire harness (see page 22-22)
H 20 1 Engine compartment wire harness (see page 22-22)
Ignition coil relay 7 4
J 16 4 Engine compartment wire harness (see page 22-22)
K 18 2 Engine compartment wire harness (see page 22-22)
PGM-FI main relay 1 (FI MAIN) 13 4
PGM-FI subrelay 6 4
Power mirror defogger relay 5 5
Radiator fan relay 15 4
Rear window defogger relay 1 4
T3 10Starter subharness (see page 22-20)
T101 11Starter subharness (see page 22-20)
08/08/21 14:23:02 61SNR030_220_0060
ProCarManuals.com
DYNOMITE -2009-

•••
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 Under-hood Fuse/Relay Box
Fuse
Number Amps Component(s) or Circuit(s) Protected
22-60Power Distribution
Fuse to Components Index
1 100 A
(BAT)Battery, Power distribution
70 A
(EPS) EPS control unit
250A (IG)Ignition switch
80 A
60 A
(OPTION) No. 5, No. 6, No. 7, No. 27, No. 28, No. 29, and No. 31 fuses (in the under-dash fuse/relay box)
330A (ABS MTR) ABS modulator-control unit , VSA modulator-control unit
30 A
40 A
(ABS FSR) ABS modulator-control unit , VSA modulator-control unit
450A (H/L)No. 18, No. 19, No. 20, and No. 21 fuses (in the under-dash fuse/relay box)
40 A
(P/W) No. 24, No. 25, No. 26, No. 30, No. 32, and No. 33 fuses (in the under-dash fuse/relay box), Power window relay
(in the under-dash fuse/relay box)
5 Not used
6 20 A A/C condenser fan motor (via A/C condenser fan relay)
7 20 A Radiator fan motor (via radiator fan relay)
8 30 A Noise condenser (via rear window defogger relay), Rear window defogger (via rear window defogger relay)
9 40 A Blower motor (via blower motor relay)
10 10 A MICU (turn signal/hazard warning lights circuit)
11 15 A A/F sensor (Sensor 1) (via PGM-FI subrelay), EVAP canister vent shut valve (via PGM-FI subrelay), PGM-FI subrelay, No. 15 fuse (in the under-hood fuse/relay box) (via PGM-FI subrelay)
12 15 A Brake lights, ECM/PCM, Horn, MICU
13 Not used
14 Not used
15 7.5 A A/C condenser fan relay
16 Not used
17 15 A Stereo amplifier
18 15 A Ignition coil relay, Ignition coils (via Ignition coil relay)
19 15 A CKP sensor (via PGM-FI main relay 1), CMP sensor B (via PGM-FI main relay 1), ECM/PCM, ETCS control relay, Injectors (via PGM-FI main relay 1), PGM-FI main relay 1 (FI MAIN), PGM-FI main relay 2 (FUEL PUMP)
20 7.5 A A/C compressor clutch (via A/C compressor clutch relay)
21 15 A ECM/PCM (via ETCS control relay)
22 7.5 A Ceiling light, Courtesy lights, Front individual map lights, Ignition key light, Trunk light, Vanity mirror lights
23 10 A Audio unit , Data link connector (DLC), Gauge control module (speedo), Gauge control module (tach), HandsFreeLink control unit , Immobilizer-keyless control unit, MICU, Moonroof switch, Navigation unit
1: ’06-07 models
2: ’08-09 models
3: ’06-07 Touring and Premium models
4: ’07 TYPE S and ’08-09 models
5: ’08-09 models
6: TYPE S model
7: Without navigation system
8: With navigation system
9: ’09 model with navigation system
1
2
34
3
4 34
6 5
7 9 8
08/08/21 14:24:02 61SNR030_220_0062
ProCarManuals.com
DYNOMITE -2009-

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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
ProCarManuals.com
DYNOMITE -2009-

µ
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GroundComponent or Circuit Grounded
22-64Ground Distribution
Ground to Components Index
G1 Battery
G2 Engine
G3 Transmission housing
G101 A/T clutch pressure control solenoid valves A, B, C (A/T), CKP sensor, CMP sensor A, CMP sensor B, Data link connector (DLC), ECM/PCM (LG1), ECM/PCM (LG2), ECM/PCM (PG1), ECM/PCM (PG2), ECM/PCM (PGMETCS), EGR valve (K20Z2 engine), Ignition
coils, Immobilizer-keyless control unit, Rocker arm oil control solenoid, Rocker arm oil pressure switch, Transmission range
switch (A/T), VTC oil control solenoid valve
Shielding between the ECM/PCM and Knock sensor (KS) has wire.
Shielding between the ECM/PCM and Secondary HO2S (Sensor 2) has wire.
G201 Right fog light , Right front parking light, Right front side marker light, Right front turn signal light, Right headlight (high/low beams), Right HID unit , Windshield washer motor, Windshield wiper motor
G202 ABS modulator-control unit , VSA modulator-control unit
G301 A/C condenser fan motor, Blower motor relay, ELD, Left fog light , Left front parking light, Left front side marker light, Left front turn signal light, Left headlight (high/low beams), Left HID unit , Radiator fan motor (via fan control relay)
G401 Brake fluid level switch, Clutch interlock switch (M/T), Clutch pedal position switch (M/T), Hood switch, MICU (PG), Power transistor, Washer fluid level switch (G401 connects to G601 via under-dash fuse/relay box)
G402 EPS control unit
G403 Torque sensor
G501 Dash lights brightness controller and odometer select/reset switch, Driver’s door key cylinder switch, Driver’s door lock knob switch, HandsFreeLink control unit , MICU (SG), VSA OFF switch
G502 Data link connector (DLC), Front accessory power socket, Glove box light, Right power mirror defogger, Right side turn signal light
G503 Accessory power socket relays (front and console), Driver’s door lock switch, Gauge control module (tach), Left power mirror defogger, Left side turn signal light, Moonroof control unit/motor, Power mirror switch light, Power mirror switch, Power
window master switch (main switch), Power window master switch, Vanity mirror lights (driver’s and front passenger’s)
G504 Cable reel (steering wheel switches ground), Climate control unit, Front passenger’s door lock knob switch, Front passenger’s door lock switch, Gauge control module (speedo), Gauge control module (tach), Ignition key switch, Navigation unit , TPMS
control unit
G505 Audio unit , Navigation unit
G506 Memory erase signal (MES) connector, SRS unit (2 wires)
G601 A/T gear position console panel light/Park-pin switch (A/T), Console accessory power socket , Fuel pump, MICU (PG), Seat heater relays (driver’s and front passenger’s), Seat heater switches (driver’s and front passenger’s), Seat heaters (driver’s and
front passenger’s), Stereo amplifier (G601 connects to G401 via under-dash fuse/relay box)
Shielding between the left side impact sensor (FIRST) and rear safing sensor has wire.
Shielding between the SRS unit and left side impact sensor (FIRST) has wire.
G602 Driver’s seat belt buckle switch, Front passenger’s seat belt buckle switch, Left rear door lock knob switch, MICU (SG), MICU service check connector, ODS unit, Right rear door lock knob switch, Yaw rate-lateral acceleration sensor
Shielding between the right side impact sensor (FIRST) and right side impact sensor (SECOND) have wires.
Shielding between the SRS unit and right side impact sensor (FIRST) has wire.
G603 Noise condenser Shielding between the rear safing sensor and left side impact sensor (SECOND) has wire.
G701 High mount brake light, Left back-up light, Left inner taillight, Left rear side marker light, Left rear turn signal light, Left taillight/ brake light, License plate lights, Right back-up light, Right inner taillight, Right rear side marker light, Right rear turn signal light,
Right taillight/brake light, Trunk lid release actuator/Trunk lid latch switch
G801 Rear window defogger ( )
1: ’06-07 Touring and Premium models
2: ’07 TYPE S and ’08-09 models
3: ’08-09 models
4: TYPE S and ’08 premium and ’09 models
5: With HID
6: Without navigation system
7: With navigation system
8: ’09 model with navigation system
9: ’06-08 models, and ’09 model without navigation system
10: TYPE S model
4
512 4
5
82 3
7
3
67
9
10
2
08/08/21 14:24:03 61SNR030_220_0066
ProCarManuals.com
DYNOMITE -2009-