2006 ACURA CSX ignition

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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
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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
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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
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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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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
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DYNOMITE -2009-

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Disconnection Reconnection
22-68Battery
Battery Terminal Disconnection and Reconnection
B
A
2.9 5.9 N·m
(0.3 0.6 kgf·m, 2.1 4.4 lbf·ft)
C
Some systems store data in memory that is lost when
the battery is disconnected. Do the following steps
before disconnecting the battery.1. Make sure you have the anti-theft code(s) for the audio and/or the navigation system (if equipped).
2. If you are replacing the audio unit, write down the audio presets (AM and FM), and the XM audio
presets (if equipped), because the audio unit does
not retain the presets after the battery is
disconnected.
3. Make sure the ignition switch is in LOCK (0).
4. Disconnect and isolate the negative cable from the battery.
NOTE: Always disconnect the negative cable from
the battery first.
5. Disconnect the positive cable from the battery. Some systems store data in memory that is lost when
the battery is disconnected. Do the following steps to
restore the systems back to normal operation.
1. Clean the battery terminals.
2. Test the battery (see page 22-67).
3. Reconnect the positive cable (A) to the battery (B) first, then reconnect the negative cable (C) to the
battery.
NOTE: Always connect the positive cable to the
battery first.
4. Apply multipurpose grease to the terminals to prevent corrosion.
5. Enter the anti-theft code(s) for the audio system and/or the navigation system (if equipped).
6. Enter the audio presets (if applicable), and enter the XM audio presets (if equipped).
7. Set the clock (for vehicles without navigation).
08/08/21 14:24:04 61SNR030_220_0070
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Special Tools Required
Relay Test
Normally-open type
22-70Relays
Power Relay Test
07AAC-000A1A0
31
42
3 42
1
Relay puller 07AAC-000A1A0
Use this chart to identify the type of relay, then do the
test listed for it. Carefully remove the relays using the
relay puller. Do not use pliers. Pliers will damage the
relay.
A/C compressor clutch relay Normally- open type
A/C condenser fan relay
Blower motor relay
Console accessory power socket
relay
Electronic throttle control system
(ETCS) control relay
Fog light relay
Front accessory power socket
relay
Ignition coil relay
PGM-FI main relay 1 (FI MAIN)
PGM-FI main relay 2 (FUEL PUMP)
PGM-FI subrelay
Power window relay
Radiator fan relay
Rear window defogger relay
Seat heater relay (HIGH)
Starter cut relay
Fan control relay Five-terminal
type
Power mirror defogger relay
Seat heater relay (LOW)
: TYPE S and ’08 PREMIUM and ’09 models Check for continuity between the terminals.
 There should be continuity between terminals No. 1 and No. 2 when the battery positive terminal is
connected to terminal No. 4, and the battery negative
terminal is connected to terminal No. 3.
 There should be no continuity between terminals No. 1 and No. 2 when power is disconnected.
08/08/21 14:24:05 61SNR030_220_0072
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22-7222-72 Ignition Switch
Test
Replacement
B
WHT
BLU
ORN
RED
YEL A
Terminal
Position
II (ON)
I (ACC)
0 (LOCK) RED
(ACC)
WHT
(BAT)
ORN
(IG2)
BLU
(IG1) YEL
(ST)
III (START) A
B
SRS components are located in the area. Review the
SRS component locations (see page 24-11), and
precautions and procedures (see page 24-13) before
doing repairs or serving.
1. Do the battery terminal disconnection procedure (see page 22-68).
2. Remove the driver’s dashboard lower cover (see page 20-102), and the steering column covers
(see page 17-9).
3. Disconnect the 7P connector (A) from the ignition switch (B).
4. Check for continuity between the terminals in each switch position according to the table.
5. If the continuity checks do not agree with the table, replace the ignition switch (see page 22-72).
6. Do the battery terminal reconnection procedure (see page 22-68). SRS components are located in the area. Review the
SRS component locations (see page 24-11), and
precautions and procedures (see page 24-13) before
doing repairs or serving.
1. Do the battery terminal disconnection procedure (see page 22-68).
2. Remove the driver’s dashboard lower cover (see page 20-102), and the steering column covers
(see page 17-9).
3. Disconnect the 7P connector (A) from the ignition switch (B).
4. Remove the two screws and the ignition switch.
5. Install the parts in the reverse order of removal.
6. Do the battery terminal reconnection procedure (see page 22-68).
08/08/21 14:24:06 61SNR030_220_0074
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DYNOMITE -2009-