2006 ACURA CSX Service Repair Manual

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Page 2057 of 2893

ACURA CSX 2006 Service Repair Manual
22-110Multiplex Integrated Control System
MICU Input Test (cont’d)
UNDER-DASH FUSE/RELAY BOX CONNECTOR K (8P)
PNK
BLK
UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P)
4. Inspect the connector and so

Page 2058 of 2893

ACURA CSX 2006 Service Repair Manual Cavity Wire Test conditionTest: 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
22-111

Page 2059 of 2893

ACURA CSX 2006 Service Repair Manual Î
(#)
22-112Keyless/Power Door Locks/Security System
Component Location Index
NAVIGATION UNIT or
AUDIO UNIT
IMMOBILIZER-KEYLESS
CONTORL UNIT
(With b

Page 2060 of 2893

ACURA CSX 2006 Service Repair Manual Î
Î
22-113
LEFT REAR DOOR LOCK
ACTUATOR/
KNOB SWITCHDRIVER’S DOOR KEY CYLINDER SWITCH
DRIVER’S DOOR LOCK SWITCH
(Built into the power
window master switch) DRIVER’S DOOR LOCK
ACTUATO

Page 2061 of 2893

ACURA CSX 2006 Service Repair Manual (#)
Security Alarm System
22-114Keyless/Power Door Locks/Security System
System Description
The security alarm system is armed automatically after the do

(#')
Security Alarm System
22-114Keyless/Power Door Locks/Security System
System Description
The security alarm system is armed automatically after the doors, hood, and trunk are closed and locked. For the
system to arm, the ignition switch must be to LOCK (0), the key must be removed from the ignition switch, and the
MICU must receive signals that the doors, hood, and trunk are closed and locked. The alarm can be disarmed at any
time by unlocking the driver’s door with the key or pressing the UNLOCK button on the transmitter.
When everything is closed and locked, the only i
nputs that are grounded, and have 0 V, are the driver’s door lock knob
switch (LOCK position), and the audio unit or navigation unit (if equipped). In other words, all of the other switches are
open, and have about 10 to 12 V, including the key cylinder switches. The security indicator in the gauge control
module (speedo) begins to flash immediately after the vehicle is completely closed and locked, and 15 seconds later,
the security system arms. If the security indicator does not flash, the system is not arming. A beep sounds and parking
lights flash to confirm the security alarm system is armed if the LOCK button is pressed a second time within
5 seconds.
If one of the switches is misadjusted or shorted internally, or there is a short in the circuit, the security system will not
arm. As long as the control unit continues to receive a ground signal (0 V), it senses that the vehicle is not closed and
locked, and the system will not arm. A switch that is slightly misadjusted can cause the alarm to sound for no apparent
reason. In this case, a significant change in outside air temperature, the vibration of a passing truck, or someone
bumping into the vehicle could cause the alarm to sound. There is no glass breakage or motion detector feature.
If anything is opened or improperly unlocked after the system is armed, the control unit receives a ground signal from
that switch, and the 10 to 12 V reference drops to 0 V. If the audio unit or navigation unit (if equipped) is disconnected,
the input loses its ground, and the input voltage goes to 10 to 12 V. The system sounds the alarm when any of these
occur:
A door or the trunk is forced open.
A door is unlocked without using the key or the transmitter.
The hood is opened.
The audio unit or navigation unit (if equipped) is disconnected.
The transmitter PANIC button is pressed.
When the system sounds the alarm, the horn sounds and the exterior lights flash for 2 minutes. The alarm can be
stopped at any time by unlocking the driver’s door with the key or by pressing any button on the transmitter.
08/08/21 14:25:08 61SNR030_220_0116
ProCarManuals.com
DYNOMITE -2009-

Page 2062 of 2893

ACURA CSX 2006 Service Repair Manual Panic Mode
Keyless Entry System
22-115
The panic mode sounds the alarm in order to attract attention. When the PANIC button on the transmitter is pressed
and held for 2 seconds, the horn sounds and th

Page 2063 of 2893

ACURA CSX 2006 Service Repair Manual Î(#)
´
22-116Keyless/Power Door Locks/Security System
Circuit Diagram
Q1
G2
G21 D2
ORN
GRN
BRN
G503 G501 G504 G504 IG1 HOT in ON (II) and START (

Page 2064 of 2893

ACURA CSX 2006 Service Repair Manual Î
22-117
UART
UART
MAIN CIRCUIT
PNK PNK 20*1
21
LT GRN*1
T34 E6
G501 BLK
SG
BLK
G602 PG
F20
E33
G601 BLK BLK
G401 YEL
BLU
BLU
BLU
B-CAN
M10
E21E31
BLU
E1 E14
YEL
43 1
2 N7
YEL M8
4
BLU 3
N13
1
B

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