reset ACURA CSX 2006 Service Repair Manual

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22-256 Gauges
Circuit Diagram - Dash Lights Brightness Controller
RED
GRY
BRN45
YEL 6
BLU 7
PUR
BLK
2176
4
G501 13
RED
14
16
BLK BLK
G503
13
RED
16
BLK BLK
G504 15
MAIN CIRCUIT
WHT BRN
No. 2 (IG) (50 A)
GAUGE CONTROL MODULE (TACH) 18 17
ORN
IG1
BAT
BLU
WHT
No. 23 (10 A)
BATTERY
IGNITION SWITCH
No. 1 (BAT) (100 A)
(7.5 A) No. 10
UNDER-DASH
FUSE/RELAY
BOX IG1 HOT in ON (II)
and START (III)
DASH LIGHTS BRIGHTNESS CONTROLLER and
ODOMETER SELECT/RESET SWITCH
No. 14 (7.5 A) FUSE
(UNDER-DASH
FUSE/RELAY BOX)
GAUGE CONTROL
MODULE (TACH) km/h
mph
SEL/
RESET
ILLUMI
()
ILLUMI
()
H1
D4 G2D2
UNDER-HOOD FUSE/RELAY BOX
5
3LIGHTS
(LED) Q1 Q9
MICU A/T GEAR POSITION INDICATOR
PANEL LIGHT
AMBIENT LIGHT
SEAT HEATER SWITCHES LIGHT
DRIVER’S FOOTWELL LIGHT*1
FRONT PASSENGER’S
FOOTWELL LIGHT*1
CLIMATE CONTROL UNIT*2
DASH LIGHTS BRIGHTNESS
CONTROLLER*2
FRONT PASSENGER’S
AIRBAG CUTOFF INDICATOR*2
VSA OFF SWITCH*2









AUDIO UNIT
NAVIGATION UNIT
HAZARD WARNING SWITCH LIGHT
MOONROOF SWITCH LIGHT
STEERING SWITCHES LIGHT
CLIMATE CONTROL UNIT*1
DASH LIGHTS BRIGHTNESS
CONTROLLER*1
FRONT PASSENGER’S
AIRBAG CUTOFF INDICATOR*1
VSA OFF SWITCH*1









*1: TYPE S model
*2: Except TYPE S model
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Cavity Wire Test condition
Test: Desired result Possible cause if desired result
is not obtained
Cavity Wire Test condition Test: Desired result Possible cause if desired result
is not obtained
22-272Gauges
Gauge Control Module (Tach) Input Test (cont’d)
4. With the connector still disconnected, do these input tests at the following connector.
 If any test indicates a problem, find and correct the cause, then recheck the system.
 If all the input tests prove OK, go to step 5.




20
2 LT GRN
GRY Disconnect the
gauge control
module (speedo)
12P connector Check for continuity between
terminal No. 20 No. 2 and
gauge control module (speedo)
12P connector terminal No. 7
No. 1 :
There should be continuity. An open in the wire
Check for continuity to ground:
There should be no continuity. A short to ground in the wire
13 RED Combination light switch ON Attach to ground:
The illuminations of the seat
heater switches and the
ambient light should come on
full bright. Faulty LEDs
An open in the wire
14 RED Combination light switch ON Attach to ground:
The illuminations of the dash
lights, the audio unit, the
steering wheel switches, and
the climate control unit lights
should come on full bright. Faulty LEDs
An open in the wire
: TYPE S model
5. Reconnect the connector to the gauge control module (tach), and do these input tests at the following connector.  If any test indicates a problem, find and correct the cause, then recheck the system.
 If all the input tests prove OK, the gauge control module (tach) must be faulty; replace it.













15 BLK Under all
conditions Measure the voltage to ground:
There should be less than 0.5 V. Poor ground (G503)
An open in the wire
16 BLK Under all conditions Measure the voltage to ground:
There should be less than 0.5 V. Poor ground (G504)
An open in the wire
17 BRN Ignition switch ON (II) Measure the voltage to ground:
There should be battery voltage. Blown No. 10 (7.5 A) fuse in
the under-dash fuse/relay box
An open in the wire
18 WHT Under all conditions Measure the voltage to ground:
There should be battery voltage.
An open in the wire
4 BRN Ignition switch ON (II), ILLUMI ( )
button pressed Measure the voltage to ground:
There should be less than 1 V.
Poor ground (G501)
Faulty dash light brightness
controller and odometer
select/reset switch
An open in the wire
Ignition switch ON
(II), ILLUMI ( )
button released Measure the voltage to ground:
There should be more than 5 V.
Faulty dash light brightness
controller and odometer
select/reset switch
A short to ground in the wire
Blown No. 23 (10 A) fuse in the
under-hood fuse/relay box
08/08/21 14:35:58 61SNR030_220_0274
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Cavity Wire Test condition Test: Desired result Possible cause if desired result
is not obtained
22-273





























5 YEL Ignition switch ON
(II), ILLUMI ( )
button pressed Measure the voltage to ground:
There should be less than 1 V.
Poor ground (G501)
Faulty dash light brightness
controller and odometer
select/reset switch
An open in the wire
Ignition switch ON
(II), ILLUMI ( )
button released Measure the voltage to ground:
There should be more than 5 V.
Faulty dash light brightness
controller and odometer
select/reset switch
A short to ground in the wire
6 BLU Ignition switch ON (II), SELECT/RESET
button pressed Measure the voltage to ground:
There should be less than 1 V.
Poor ground (G501)
Faulty dash light brightness
controller and odometer
select/reset switch
An open in the wire
Ignition switch ON
(II), SELECT/RESET
button released Measure the voltage to ground:
There should be more than 5 V.
Faulty dash light brightness
controller and odometer
select/reset switch
A short to ground in the wire
7 PUR Ignition switch ON (II), km/h-mph
button pressed Measure the voltage to ground:
There should be less than 1 V.
Poor ground (G501)
Faulty dash light brightness
controller and odometer
select/reset switch
An open in the wire
Ignition switch ON
(II), km/h-mph
button released Measure the voltage to ground:
There should be more than 5 V.
Faulty dash light brightness
controller and odometer
select/reset switch
A short to ground in the wire
8 BLU Ignition switch ON (II), washer fluid is
half or more in the
washer reservoir Measure the voltage to ground:
There should be more than 5 V.
Faulty washer fluid level
switch
A short to ground in the wire
Ignition switch ON
(II), washer fluid is
empty in the
washer reservoir Measure the voltage to ground:
There should be less than 1 V.
Poor ground (G401)
Faulty washer fluid level
switch
An open in the wire
27 GRN Ignition switch ON (II), brake fluid is
full level in the
reservoir Measure the voltage to ground:
There should be less than 1 V.
Poor ground (G401)
Faulty brake fluid level switch
An open in the wire
Ignition switch ON
(II), brake fluid is
lower level in the
reservoir Measure the voltage to ground:
There should be more than 5 V.
Faulty brake fluid level switch
A short to ground in the wire
28 LT GRNIgnition switch ON
(II), parking brake
lever pulled Measure the voltage to ground:
There should be less than 1 V.
Faulty parking brake switch
An open in the wire
Ignition switch ON
(II), parking brake
lever released Measure the voltage to ground:
There should be more than 5 V.
Faulty parking brake switch
A short to ground in the wire
08/08/21 14:35:58 61SNR030_220_0275
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22-278Gauges
Dash Lights Brightness Controller and Odometer Select/Reset Switch Test/
Replacement
A
Terminal
Position SEL/RESET
button pressed
( ) button pressed km/h-mph change
button pressed
( ) button pressed 12
467
35
1. Remove the subdisplay visor (see page 20-
100) and
disconnect the connectors.
2. Remove the two screws and the dash lights brightness controller and odometer select/reset
switch (A).
3. Check for continuity between the terminals in each switch position according the table.
4. If the continuity is not as specified, replace the dash lights brightness controller and odometer select/
reset switch.
5. Install the dash lights brightness controller and odometer select/reset switch in the r everse order of
removal.
08/08/21 14:36:00 61SNR030_220_0280
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Calibration
Example:
Incorrect value = 20 °C (68 °F)
Desired correction value = 1 °C ( 2 °F)
Correct value = 21 °C (70 °F)
Desired correction value = 1 °C ( 2 °F)
Correct value = 19 °C (66 °F)
22-280 Gauges
Outside Air Temperature Indicator Calibration (cont’d)
B
A
C
The outside air temperature indicator’s displayed
temperature can be recalibrated 3 °C (or 5 °F) to
meet the client’s expectations. 1. Turn the ignition switch to ON (II).
2. Select the outside air temperature display.
3. Press and hold the SEL/RESET button until the trip meter resets, then release it. Press, and continue to
hold, the switch again, and the display will scroll
through temperature settings from 3 °C to 3 °C
(or 5 °F to 5 °F) as shown.
4. When the desired correction value appears on the display, release the button, and the recalibrated
outside air temperature will be displayed.
NOTE: To recalibration temperature is not the value
the sensor sees. Therefore the temperature can
only be adjusted degrees from the sensor. NOTE: To recalibrate the display to the true
temperature, remove the outside air temperature
sensor (A), but leave it connected. Submerge the sensor
and a thermometer (B) in a container of ice water (C).
Select the calibration mode as described above, then
recalibrate the display to the true temperature.
08/08/21 14:36:00 61SNR030_220_0282
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22-286Moonroof
Component Location Index
MOONROOF CONTROL UNIT/MOTOR
MOONROOF SWITCH
Resetting, page 22-287
Input Test, page 22-290
Replacement, page 20-59
Test/Replacement,
’06-07 models, page 22-293
’08-09 models, page 22-293
08/08/21 14:36:04 61SNR030_220_0288
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22-287
Resetting the Moonroof Control Unit
Resetting the moonroof is required when any of the following have occurred: The moonroof was moved manually while the battery was dead or disconnected.
 The moonroof motor was replaced with a new one.
 Any of components related to the moonroof were replaced. – Wind deflector
– Moonroof glass
– Moonroof seal
– Moonroof glass bracket
– Moonroof cables, etc.
To reset the moonroof control unit, do these steps: 1. Close the driver’s door, and keep it closed until the procedure is complete.
2. Turn the ignition switch to LOCK (0).
3. Press and hold the tilt switch, and turn the ignition switch to ON (II).
4. Release the tilt switch, and turn the ignition switch to LOCK (0).
5. Repeat steps 3 and 4 four times.
6. Press and hold the moonroof open switch for 3 additional seconds after the moonroof is fully opened.
7. Press and hold the moonroof close switch for 3 additional seconds after the moonroof is fully closed (tilted).
8. Confirm that the moonroof control unit is reset by using the moonroof AUTO OPEN and AUTO CLOSE function.
08/08/21 14:36:04 61SNR030_220_0289
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22-315
System Description
Mechanical key
(Including transponder) Immobilizer key
MICU
(Imoes circuit) Mechanical key
Steering lock assembly Immobilizer-keyless
control unit
ECM/PCMTransmitter
(Including
transponder)
The vehicle is equipped with a type VI immobilizer system that will disable the vehicle unless a programmed ignition
key is used.
This system consists of a transponder combined with a keyless transmitter, immob
ilizer-keyless control unit, the MICU
(has built-in imoes unit), immobilizer indicator, and the ECM/PCM.
When the immobilizer key (programmed by the HDS) is inserted into the ignition switch and turned to ON (II), the
immobilizer-keyless control unit sends power to the trans ponder in the ignition key. The transponder then sends a
coded signal back to the immobilizer-keyless control unit which then sends a coded signal to the ECM/PCM and the
MICU (imoes unit). The ECM/PCM and MICU (imoes unit) identify this code signal, then fuel power is supplied.
NOTE: The transmitter is automatically programmed to the vehicle when a transponder is programmed by the HDS.
If the wrong key has been used or the code was not received or recognized by the unit, the indicator will come on for
about 2 seconds, then it will blink until the ignition switch is turned to LOCK (0). When the ignition switch is turned to
LOCK (0), the indicator will blink ten times to signal that the unit has reset correctly, then the indicator will go off.
08/08/21 14:36:58 61SNR030_220_0317
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Symptom Diagnostic procedure Also check for
23-4
Audio System
Symptom Troubleshooting Index
Poor AM or FM radio reception or
interference (with navigation)
Symptom Troubleshooting (see page 23-29) AM/FM antenna lead and/or
sublead short or open in the
wire
Poor AM or FM radio reception or
interference (without navigation) Symptom Troubleshooting (see page 23-32) AM/FM antenna lead and/or
sublead short or open in the
wire
Audio unit power switch will not
turn on (No information display
and no sound) (with navigation) Symptom Troubleshooting (see page 23-35)
Audio unit power switch will not
turn on (No information display
and no sound) (without
navigation) Symptom Troubleshooting (see page 23-36)
Audio unit power switch will not
turn off (with navigation) Symptom Troubleshooting (see page 23-38)
Audio unit power switch will not
turn off (without navigation) Symptom Troubleshooting (see page 23-39)
No sound is heard from the
speaker(s) (display is normal)
(with navigation) Symptom Troubleshooting (see page 23-39)
No sound is heard from the
speaker(s) (display is normal)
(without navigation) Symptom Troubleshooting (see page 23-48)
Auxiliary i nput sound is low or
cannot be heard Symptom Troubleshooting (see page 23-50)
Audio system sound is weak or
distorted (display is normal) Symptom Troubleshooting (see page 23-53)
Radio preset memory is lost Symptom Troubleshooting (see page 23-54) Internal error
Volume does not change Symptom Troubleshooting (see page 23-54)
Volume does not increase with
speed (with navigation) Symptom Troubleshooting (see page 23-55)
Volume does not increase with
speed (without navigation) Symptom Troubleshooting (see page 23-56)
Volume is too high or too low
when driving at freeway speeds Symptom Troubleshooting (see page 23-57)
Radio tuner does not change
stations Symptom Troubleshooting (see page 23-57)
08/08/21 14:03:44 61SNR030_230_0007
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SymptomDiagnostic procedure Also check for
23-5
Navigation unit button
illumination does not work (with
navigation)Symptom Troubleshooting (see page 23-58)
Audio unit button illumination
does not work (without
navigation) Symptom Troubleshooting (see page 23-59)
Display does not dim or brighten
with dimmer (without navigation) Symptom Troubleshooting (see page 23-60)
Audio disc does not load Symptom Troubleshooting (see page 23-61)
Audio disc does not eject Symptom Troubleshooting (see page 23-61)
Audio disc does not play Symptom Troubleshooting (see page 23-62)
Audio disc skips Symptom Troubleshooting (see page 23-62)
Audio remote switch does not
work properly (with navigation) Symptom Troubleshooting (see page 23-63)
Audio remote switch does not
work properly (without
navigation) Symptom Troubleshooting (see page 23-65)
Audio disc cannot be inserted
and/or ejected (with navigation) Symptom Troubleshooting (see page 23-66)
Display can be opened and/or
closed even when an audio disc is
being inserted or ejected Replace the navigation unit (see page
23-155)
PC card will not play/card icon on
audio screen cannot be selected
(with navigation) Symptom Troubleshooting (see page 23-67)
Error code: XM NO SIGNAL or XM
ANTENNA is displayed (with
navigation) Symptom Troubleshooting (see page 23-68)
XM radio display is blank and no
station information is displayed
(with navigation) Symptom Troubleshooting (see page 23-68)
XM radio preset memory is lost
(with navigation) Symptom Troubleshooting (see page 23-71)
Poor or no sound with XM radio
(Audio unit does display XM
channels) (with navigation) Symptom Troubleshooting (see page 23-72)
08/08/21 14:03:44 61SNR030_230_0008
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