2006 ACURA CSX battery

Î
µ
µ
µ
µ
µ
µ
YES
NO
YES
NO
YES
NO
14-282A/T Interlock System
Shift Lock System Circuit Troubleshooting (cont’d)
BKSW (LT GRN)
PCM CONNECTOR A (44P)
16. Monitor the Brake Switch in the Data List with the
HDS, and press the brake pedal.
Go to step 21.
If the brake lights come on, go to step 17. If
the brake lights do not work, repair the faulty brake
light circuit.
17. Turn the ignition switch to LOCK (0).
18. Jump the SCS line with the HDS.
19. Disconnect PCM connector A (44P). 20. Measure the voltage between PCM connector
terminal A40 and body ground when pressing the
brake pedal and when the brake pedal is released.
Reconnect all connectors, then update the
PCM if it does not have the latest software
(see page 11-227), or substitute a known- good PCM
(see page 11-7), then recheck. If the symptom goes
away with a known-good PCM, replace the original
PCM (see page 11-228).
Repair open in the wire between PCM
connector terminal A40 and the brake pedal
position switch.
21. Monitor the A/T P Switch in the Data List with the HDS with the shift lever in P.
Go to step 33.
Go to step 22.
Terminal side of female terminals
Is the Brake Switch ON?
Is there about battery voltage when pressing thebr ak e ped al , and no v ol t age w hen t he ped al i sreleased?
Is the A/ T P Switch ON?
08/08/21 14:50:07 61SNR030_140_0284
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17-6 Steering
Steering Wheel Removal
A
B
A
D B
C
SRS components are located in this area. Review the
SRS component locations (see page 24-11) and the
precautions and procedures (see page 24-13) before
doing repairs or service.
1. Do the battery terminal disconnection procedure (see page 22-68).
2. Align the front wheels straight ahead, then remove the driver’s airbag from the steering wheel
(see page 24-188).
3. Disconnect the cable reel subharness connector (A).
4. Loosen the steering wheel bolt (B). 5. Install a commercially available steering wheel
puller (A) on the steering wheel (B). Free the
steering wheel from the steering column shaft by
turning the pressure bolt (C) of the puller.
Note these items when removing the steering
wheel: Do not tap on the steering wheel or the steering column shaft when removing the steering wheel.
 If you thread the puller bolts (D) into the wheel hub more than five threads, the bolts will hit the
cable reel and damage it. To prevent this, install
a pair of jam nuts five threads up on each puller
bolt.
6. Remove the steering wheel puller, then remove the steering wheel bolt and steering wheel from the
steering column.
08/08/21 14:53:14 61SNR030_170_0007
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Removal
17-10 Steering
Steering Column Removal and Installation
Normal position
Out of position
A
A
A
A B
C D
SRS components are located in this area. Review the
SRS component locations (see page 24-11) and the
precautions and procedures (see page 24-13) before
doing repairs or service.
Be careful not to pull the bracket (A) on the front
side of the steering column out of its normal
position. If the bracket accidentally comes out,
replace the steering column as an assembly.
1. Do the battery terminal disconnection procedure (see page 22-68).
2. Remove the driver’s airbag (see page 24-188), and the steering wheel (see page 17-6).
3. Remove the driver’s dashboard undercover (see page 20-103).
4. Remove the column covers (see page 17-9). 5. Remove the steering joint cover (A).
6. Release the lock lever, and adjust the steering
column to the full tilt up position, and to the full
telescopic in position.
7. Tighten the lock lever.
8. Hold the lower slide shaft (A) on the column with a piece of wire (B) between the joint yoke (C) of the
lower slide shaft and joint yoke (D) of the upper
shaft to prevent the slider shaft from pulling out.
9. Release the lock lever, and adjust the steering column to the full telescopic out position, then
tighten the lock lever.
NOTE: Do not release the lock lever when removing
the steering column from the frame.
08/08/21 14:53:16 61SNR030_170_0011
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17-13
A
5. Install the steering joint cover (A).
6. Install the steering wheel (see page 17-8), and thedriver’s airbag (see page 24-188).
7. Install the column covers (see page 17-9).
8. Install the driver’s dashboard undercover (see page 20-103). 9. Do the battery terminal reconnection procedure
(see page 22-68), and do these tasks:
 Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds
and then goes off.
 Make sure the horn and turn signal switches work properly.
 Make sure the steering wheel switches work properly.
10. After installation, do these checks:  Check the steering wheel spoke angle. If thesteering spoke angles to the right and left are not
equal (steering wheel and rack are not centered),
correct the engagement of the joint/pinion shaft
splines.
 Set the steering column to the center tilt position, and to the center telescopic position, then do the
front toe inspection (see page 18-5).
08/08/21 14:53:18 61SNR030_170_0014
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17-18EPS Components
Component Location Index
STEERING GEARBOX
EPS MOTOR
BATTERY
DATA LINK
CONNECTOR (DLC)
GAUGE CONTROL
MODULE (TACH)
UNDER-HOOD
FUSE/RELAY BOX
UNDER-DASH
FUSE/RELAY BOX
EPS CONTROL UNIT
EPS INDICATORRemoval and Installation, page 17-65
Rack End Removal and Installation, page 17-79
Rack Guide Removal/Installation, page 17-83
Removal/Installation,
page 17-63
Removal/Installation, page 17-84
08/08/21 14:53:21 61SNR030_170_0019
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17-8 Steering
Steering Wheel Installation
A
B
A D
B
C A
39 N·m
(4.0 kgf·m,
29 lbf·ft)
B
1. Before installing the steering wheel, make sure the front wheels are aligned straight ahead, then center
the cable reel (A). Do this by first rotating the cable
reel clockwise until it stops. Then rotate it
counterclockwise about three full turns. The arrow
mark (B) on the cable reel label should point
straight up.
2. Position the two tabs (A) of the turn signal canceling sleeve (B) as shown. Install the steering
wheel on to the steering column shaft, making sure
the steering wheel hub (C) engages the pins (D) of
the cable reel and tabs of the turn signal canceling
sleeve. Do not tap on the steering wheel or steering
column shaft when installing the steering wheel. 3. Install the steering wheel bolt (A), and tighten it to
the specified torque. Connect the cable reel
subharness connector (B). Make sure the wire
harness is routed and fastened properly.
4. Install the driver’s airbag, and confirm that the system is operating properly (see page 24-188).
5. Do the battery terminal reconnection procedure (see page 22-68), and do these tasks:
 Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds
and then goes off.
 Make sure the horn and turn signal switches work properly.
 Make sure the steering wheel is centered.
6. After installation, check the steering wheel spoke angle. If the steering spoke angles to the right and
left are not equal (steering wheel is not centered),
correct the engagement of the wheel/column shaft
serrations.
08/08/21 14:53:15 61SNR030_170_0009
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EPS IndicatorDiagnostic Trouble Code (DTC)
Self-diagnosis
17-19
General Troubleshooting Information
Under normal conditions, the EPS indicator comes on
when the ignition switch is turned to ON (II), then goes
off after the engine is started. This indicates that the
LED and its circuit are operating correctly.
If there is a failure in the system after the engine is
started, the EPS indicator will stay on, and the power
assist is turned off or restricted.
When the EPS indicator comes on, the control unit
memorizes the DTC. In this case, the control unit will
not activate the EPS system after the engine starts
again, but it keeps the EPS indicator on.
When DTC 51-01, 51-02 or 51-06 is stored in the control
unit, the EPS indicator will stay on until the DTC is
erased. When a problem is detected and the EPS
indicator comes on, there are cases when the indicator
stays on until the ignition switch is turned to LOCK (0),
and cases when the indicator goes off automatically
when the system returns to normal. Even though the
system is operating normally, the EPS indicator will
come on under the following conditions:  The vehicle speed decreases abruptly from 20 km/h (12 mph) or more (by applying brake), and it is less
than 1 km/h (1 mph) and engine speed is 2,000 rpm or
above for 5 seconds (continuously) after the abrupt
deceleration.
 While turning the steering wheel with the vehicle speed of 1 km/h (1 mph) or less for 20 seconds, and
the engine speed is 2,000 rpm or above for at least
10 seconds.
 When the engine speed is 500 rpm or less, and the vehicle is traveling at a speed of 10 km/h (6 mph) or
more for about 3 seconds.
To determine the actual cause of the problem, question
the client about the conditions during which the
problem occurred, taking the above conditions into
consideration.  If the CPU cannot be activated, or it fails, the EPS
indicator comes on, but the DTC is not memorized.
 The memory can hold any number of DTCs. However, when the same DTC is detected more than once, the
most recent DTC is written over the prior DTC,
therefore only one occurrence is memorized.
 The lowest DTC is indicated first. The DTCs are indicated in ascending order, not in the order that
they occurred.
 The DTCs are memorized in the EEPROM (non- volatile memory) therefore the memorized DTCs
cannot be erased by disconnecting the battery. Do the
specified procedures to clear the DTCs.
Self-diagnosis can be classified into three categories:  Initial diagnosis: Done right after the engine starts and until the EPS indicator goes off.
 Regular diagnosis: Done right after the initial diagnosis until the ignition switch is turned to LOCK
(0).
 Steering diagnosis: Done during regular diagnosis while turning the steering wheel.
The EPS control unit dose these functions when a
problem is detected by self-diagnosis: 1. Turns on the EPS indicator.
2. Memorizes the DTC.
3. Stops power assist and manual steering operation resumes.
NOTE: For DTCs 11-01, 11-02, 12-01, 21-01, 21-02,
22-01, and 35-04 the EPS indicator will go off
automatically, and the system returns to normal.
(cont’d)
08/08/21 14:53:21 61SNR030_170_0020
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)EPS Control Unit Inputs and Outputs for Connector A (2P) (Connector disconnected)
EPS Control Unit Inputs and Outputs for Connector B (2P) (Connector disconnected)
EPS Control Unit Inputs and Outputs for Connector C (2P) (Connector disconnected)
Terminalnumber Wire color Terminal sign Description Signal
Terminal number Wire color Terminal sign Description Signal
Terminal number Wire color Terminal sign Description Signal
17-26EPS Components
System Description
NOTE: Standard battery voltage is 12 V.
1BLKPG (Power ground) Ground for the actuator EPS
motor Continuity to ground
2WHTB (Plus battery) Power source for the
actuator EPS motor Battery voltage at all times
1 GRN H-W Drives the actuator EPS motor
1 RED H-U Drives the actuator EPS motor
2 BLU H-V Drives the actuator EPS motor
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
08/08/21 14:54:00 61SNR030_170_0027
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