2006 ACURA CSX transmission

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4-5
Circuit Diagram
G401BLK
ORN
(M/T model) BLK
BLU/WHT
G101ORN
RED
No. 1 (100 A)
IGNITION SWITCH
BAT ST
No. 2 (50 A)
BATTERY UNDER-HOOD FUSE/RELAY BOX
BLK/WHTYEL
STARTER
CUT
RELAYUNDER-DASH
FUSE/RELAY
BOX
TRANSMISSION
RANGE SWITCH
(ON: P, N position)
CLUTCH
INTERLOCK
SWITCH
(ON: Pedal
pressed)
ST HOT in
START (III)
H1 3
C11
1
2F29
STARTER S
B
WHT
G9
19
20C101
1
C102
WHT
(A/T model)
7
1
14 23
08/08/21 14:09:22 61SNR030_040_0006
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µ
µ
YES
NO
4-7
A
B
10. Make sure the shift lever is in N or P (A/T model) orneutral (M/T model), then disconnect the engine
wire harness 1P connector (A). Connect a jumper
wire from the battery positive terminal to the
starter subharness 1P connector (B).
Go to step 11.
Check the starter subharness. If the wire is OK,
remove the starter (see page 4-10), then repair or
replace (see page 4-13) it as necessary. 11. Check the following items in the order listed until
you find the problem circuit:
NOTE: After the open circuit or high resistance in
the circuit is found and repaired, go to step 14.
 Check for an open or short in the YEL wire and connectors between the driver’s under-dash
fuse/relay box and the ignition switch.
 Check for an open or short in the RED wire and connectors between the under-dash fuse/relay
box and the engine wire harness 1P connector.
 Check for an open or short in the ORN wire and connectors between the under-dash fuse/relay
box and the clutch interlock switch (M/T model).
 Check for an open or short in the ORN wire, BLU/ WHT wire and connectors between the under-
dash fuse/relay box and the transmission range
switch (A/T model).
 Check for poor ground at G401 (M/T model) or G101 (A/T model).
 Check for a faulty ignition switch (see page 22-72).
 Check for a faulty clutch interlock switch (M/T model) (see page 4-8).
 Check for a faulty transmission range switch (A/T model) (see page 14-265).
 Check for a faulty starter cut relay (see page 22-70).
(cont’d)
Does the starter crank the engine?
08/08/21 14:09:22 61SNR030_040_0008
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4-43
Cruise Control
Component Location Index
CLUTCH PEDAL POSITION SWITCH (M/T model)
BRAKE PEDAL POSITION SWITCHCRUISE CONTROL
COMBINATION SWITCHCRUISE MAIN INDICATOR
(In the gauge control module (tach))
CRUISE CONTROL INDICATOR
(In the gauge control module (tach))
TRANSMISSION RANGE SWITCH (A/T model)
ENGINE CONTROL MODULE (ECM)/
POWERTRAIN CONTROL MODULE (PCM)
Test, page 4-50
Clutch Pedal Adjustment, page 12-8
Test, page 22-181
Pedal Height Adjustment, page 19-6Test/Replacement, page 4-49
Test, page 14-265
Replacement, page 14-267
Cruise Control Input Test, page 4-47
08/08/21 14:10:48 61SNR030_040_0044
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4-46 Cruise Control
Circuit Diagram
(A/T model) 764 5 12
G504 11
3
LIGHTS
CRUISE CONTROL INDICATOR
C21
C20
C12
12 V
5V
C4
G401 3 2 C1
A20
3
2 4
1 (50 A) No. 2
No. 19 (15 A) No. 21 (15 A)
A8
A6
C43 B28 GRY
ORN
ECM/PCM A37
A36
BAT
IG1
A39
A40
C39
C3
A41
THROTTLE BODY
TP SENSOR
No. 3
(10 A)
CRUISE MAIN INDICATOR
DRIVER
GAUGE CONTROL MODULE (TACH)
No. 12
(15 A)
UNDER-HOOD FUSE/RELAY BOX
BATTERY
No. 1 (100 A)
CPU
IG1 HOT in
ON (II) and
START (III)
CABLE
REEL
CAN-
CEL RESUME/
ACCEL
CABLE
REEL
THROTTLE
ACTUATOR
BRAKE
PEDAL
POSITION
SWITCH MULTIPLEX
INTEGRATED
CONTROL UNIT
TRANSMISSION
RANGE SWITCH SET/
DECEL
CRUISE
CONTROL
MAIN
CRUISE CONTROL
DIMMING CIRCUIT
PGM-FI
MAIN
RELAY 1
ETCS
CONTROL
RELAY
UNDER-DASH
FUSE/RELAY
BOX HORN
SWITCH
CRUISE CONTROL
COMBINATION SWITCH
IGNITION
SWITCH
IG1ETCS
ETCSRLY
IGP
MRLY CANL
CANH
BKSWNC
BKSW
TPSB
TPSA
VCC3
ETCSM
NC ATPFWD SG3
ETCSM
CRMTCLS
D8
H1 F9 F6 F5 E1
3
6
19101114
OUTPUT SHAFT
(COUNTERSHAFT)
SPEED SENSOR CLUTCH
PEDAL
POSITION
SWITCH No. 14 (7.5 A) FUSE
(UNDER-DASH
FUSE/RELAY BOX)
YEL
WHT BLU
YEL
LT BLU
BLK LT GRN ORN RED
LT GRN BRN ORN GRN WHT WHT
YEL RED
5V
BLU/WHT LT BLU BLU/YEL BLU
BLU/RED
GRN/YEL GRN RED/BLK RED/BLU
BLK
WHT
D2
F5 42 31
32
41 1
10
679 8 2
21 18 C101
(M/T model) CANL CANH
19
08/08/21 14:10:50 61SNR030_040_0047
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)Signal to be
tested Test condition Parameter: Desired
resultPossible cause if result is not obtained
4-47
Cruise Control Input Test
NOTE: Always make sure that you have the latest Honda Diagnostic System (HDS) software before doing the input
tests.
1. Connect the HDS to the data link connector (DLC) (see step 2 on page 11-3).
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain control module (PCM). If it does not communicate, troubleshoot the DLC circuit (see page 11- 204).
4. Go to PGM-FI, and check for DTCs (see page 11-3).
5. Do the following tests while monitoring parameters in the PGM-FI DATA LIST with the HDS. NOTE: Intermittent failures are often caused by loose circuit connections. While monitoring cruise control inputs,
flex the circuit wires, and note if any of the test results change.

















Brake pedal
position
switch signal
Brake pedal pressed,
then released
CRUISE BRAKE SW
should indicate OFF
when the brake pedal is
pressed and ON when
the brake pedal is
released. Faulty brake pedal position switch
Blown No. 3 (10 A) fuse in the under-
dash fuse/relay box
An open in the wire between the ECM/
PCM and the brake pedal position switch
A wire shorted to ground between the
ECM/PCM and the brake pedal position
switch
Clutch pedal
position
switch signal
(M/T model) Clutch pedal pressed,
then released
SHIFT/CLUTCH SW
should indicate ON
when the clutch pedal
is pressed and OFF
when the clutch pedal
is released. Faulty clutch pedal position switch
An open in the wire between the ECM
and the clutch pedal position switch
A wire shorted to ground between the
ECM and the clutch pedal position
switch
Poor ground G401
Transmission
range switch
signal (A/T
model) Shift lever in D and S SHIFT/CLUTCH SW
should indicate ON in P,
R,andN,andOFFinD
and S. Faulty transmission range switch
An open in the wire between the PCM
and the transmission range switch
A wire shorted to ground between the
PCM and the transmission range switch
Poor ground G101
Cruise control
main switch
signal Cruise control main
switch pressed and
released CRUISE MASTER
(MAIN) SW should
indicate ON when the
cruise control main
buttonispressedand
OFF when the cruise
control main button is
released. Faulty cruise control combination switch
Faulty gauge control module (tach)
An open in the wire between the gauge
control module (tach) and the cruise
control combination switch
A wire shorted to ground between the
gauge control module (tach) and the
cruise control combination switch
Poor ground G504
(cont’d)
08/08/21 14:10:50 61SNR030_040_0048
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Engine Mechanical
Engine Assembly
................................................................................................................................................................................. ..........................................................
...............................
............................... .................
.............................
................................................................
................................................................................................................. ..........................................................
...............................
............................... .................
.............................
Special Tools . 5-2
Engine Removal . 5-3
Engine Installation . 5-13
Side Engine Mount Replacement . 5-24
Transmission Mount Replacement . 5-29
Lower Torque Rod Replacement . 5-32
Upper Torque Rod Replacement . 5-34
Side Engine Mount Bracket Replacement . 5-35
Front Engine Mount Replacement . 5-40
08/08/21 14:20:21 61SNR030_050_0001
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5-6Engine Assembly
Engine Removal (cont’d)
C
B
D
A B
C
A
D
D A
B
C
27. Drain the engine oil (see page 8-10).
28. Drain the transmission fluid: Manual transmission (see step 3 on page 13-5)
 Automatic transmission (see step 3 on page14-232)
29. Disconnect the air fuel ratio (A/F) sensor connector (A).
30. Remove the grommet (B), then disconnect the secondary heated oxygen sensor (secondary
HO2S) connector (C).
31. Remove the three way catalytic converter (TWC) (D).
32. A/T model: Remove the shift cable. Do not bend the cables excessively (see step 39 on page 14-239).
33. Separate the stabilizer links (see page 18-25).
34. Separate the knuckles from the lower arms (see step 6 on page 18-21).
35. Remove the driveshafts (see page 16-4). Coat all precision-finished surfaces with new engine oil. Tie
plastic bags over the driveshaft ends. 36. Remove the steering gearbox bracket (A).
37. Remove the steering gearbox mounting bolt (B),
the stiffener mounting bolt (C), and the stiffener (D).
38. Remove the steering gearbox mounting bolt (A), the stiffener mounting bolt (B), and the stiffener (C).
39. Remove the harness clamp (D) from the subframe.
08/08/21 14:20:24 61SNR030_050_0006
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5-7
A
B VSB02C000015
40. Disconnect the A/C compressor clutch connector(A), then remove the A/C compressor (B) without
disconnecting the A/C hoses.
41. Lower the vehicle on the lift.
42. Remove the radiator (see page 10-19).
43. A/T model: Disconnect the automatic transmission fluid (ATF) cooler hoses from the transmission,
then plug the lines and hoses. 44. Disconnect the heater hoses.
45. Install the bulkhead (see step 13 on page 10-21).
46. Attach the engine hanger adapter (VSB02C000015)
to the threaded hole in the cylinder head.
(cont’d)
08/08/21 14:20:25 61SNR030_050_0007
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