Acura CSX. Manual — part 517
*91
22-118
Keyless/Power Door Locks/Security System
•
•
G18
HORN
LT GRN
G7
G16
T26
PNK
BRN
G602
BLK
8
10
5
7
BLK
G602
BRN
GRY
T25
BLU/BLK
GRN
F27
5
1
BLK
G101
E2
GRY
*4
E17
BRN
*3
E3
LT GRN
*2
*1
GRN
E37
G504
BLK
2
1
PNK
R6
PNK
R16
WHT
WHT
MICU
No. 4 (H/L) (50 A)
(UNDER-HOOD
FUSE/RELAY BOX)
PARKING
LIGHTS
LEFT/RIGHT
HEADLIGHTS
(LOW BEAM)
UNDER-DASH
FUSE/RELAY BOX
No. 12 (15 A) FUSE
(UNDER-HOOD
FUSE/RELAY BOX)
IMMOBILIZER-
KEYLESS
CONTROL UNIT
IGNITION
KEY
SWITCH
(Closed:
Key inserted)
TRANSMISSION
RANGE SWITCH
(Closed:
In position P)
UN-
LOCK
LEFT
REAR
DOOR
LOCK
KNOB
SWITCH
RIGHT
REAR
DOOR
LOCK
KNOB
SWITCH
UN-
LOCK
SIDE
MARKER
LIGHTS
(A/T)
1
1
1
1
1
No. 19
(15 A)
No. 15
(7.5 A)
No. 21
(30 A)*5
(20 A)*6
No. 17
(15 A)*5
(10 A)*6
No. 16
(15 A)*5
(10 A)*6
08/08/21 14:25:10 61SNR030_220_0120
*91
22-119
9
4
G505
BLK
Q4
GRN
BLU
BLU
2
3
BLK
G701
BLU
G13
BLK
G401
2
1
LT BLU
GRN
1
A
MICU
HOOD
SWITCH
(Closed:
Hood open)
TRUNK LID
RELEASE
ACTUATOR/
TRUNK LID
LATCH SWITCH
TRUNK
LIGHT
UNDER-DASH FUSE/RELAY BOX
AUDIO
UNIT
or
NAVIGATION
UNIT
E36
E20
*1: DRIVER’S DOOR SWITCH (Closed: Door open)
*2: FRONT PASSENGER’S DOOR SWITCH (Closed: Door open)
*3: LEFT REAR DOOR SWITCH (Closed: Door open)
*4: RIGHT REAR DOOR SWITCH (Closed: Door open)
*5: With HID
*6: Without HID
08/08/21 14:26:01 61SNR030_220_0121
01
SNR9A00K763000Y1026FAAT00
−
−
−
−
−
−
−
−
DTC B1026:
YES
NO
YES
NO
YES
NO
YES
NO
22-120
Keyless/Power Door Locks/Security System
DTC Troubleshooting
FRONT PASSENGER’S POWER
WINDOW SWITCH 8P CONNECTOR
LOCK (YEL)
UNLOCK (PUR)
Front Passenger’s Door Lock
Switch Signal Error
NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A (see page 22-93).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), and then back
to ON (II).
3. Operate the front passenger’s door lock switch
several times.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure. The front passenger’s
door lock system is OK at this time.
5. With the front passenger’s door lock switch in the
neutral position, select KEYLESS from the HDS and
enter the DATA LIST.
6. Check the ON/OFF information of the FRONT
PASSENGER’S DOOR LOCK SWITCH (LOCK) and
FRONT PASSENGER’S DOOR LOCK SWITCH
(UNLOCK) in the DATA LIST.
Go to step 12.
Go to step 7.
7. Disconnect the front passenger’s power window
switch 8P connector.
8. Check the ON/OFF information of the FRONT
PASSENGER’S DOOR LOCK SWITCH (LOCK) and
FRONT PASSENGER’S DOOR LOCK SWITCH
(UNLOCK) in the DATA LIST.
Faulty door lock switch; replace the front
passenger’s power window switch (see page
22-220).
Go to step 9.
9. Turn the ignition switch to LOCK (0).
10. Disconnect under-dash fuse/relay box connector T
(34P).
11. Check for continuity between front passenger’s
power window switch 8P connector terminals No. 1
(LOCK) and No. 6 (UNLOCK) and body ground.
Repair a short in the LOCK or UNLOCK
wire.
Faulty MICU, replace the under-dash fuse/
relay box (see page 22-66).
Wire side of female terminals
Is DT C B1026 indicated?
Ar e both inf or mation indicator s OF F ?
Ar e both inf or mation indicator s OF F ?
Is ther e continuity?
08/08/21 14:26:01 61SNR030_220_0122
02
SNR9A00K763000Y1127FAAT00
−
−
−
−
−
−
−
−
YES
NO
YES
NO
YES
NO
YES
NO
DTC B1127:
22-121
22-121
FRONT PASSENGER’S POWER
WINDOW SWITCH 8P CONNECTOR
LOCK (YEL)
UNLOCK (PUR)
12. Turn the ignition switch to LOCK (0).
13. Disconnect the front passenger’s window switch 8P
connector.
14. Disconnect under-dash fuse/relay box connector T
(34P).
15. Check for continuity between front passenger’s
power window switch 8P connector terminals No. 1
(LOCK) and No. 6 (UNLOCK).
Repair a short in the wire between the LOCK
and UNLOCK wires.
Substitute a known-good front passenger’s
power window switch, and recheck. If the
symptom/indication goes away, replace the
original front passenger’s power window switch. If
not, the MICU is faulty, replace the under-dash
fuse/relay box (see page 22-66).
NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A (see page 22-93).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), and then back
to ON (II).
3. Insert the ignition key into the driver’s door key
cylinder switch, and turn the key in LOCK and
UNLOCK positions ten times.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure. The driver’s door key
cylinder switch system is OK at this time.
5. With the driver’s door key cylinder in the neutral
position, select KEYLESS with the HDS, and enter
the DATA LIST.
6. Check the ON/OFF information of the DRIVER’S
DOOR KEY CYLINDER SWITCH (LOCK) and
DRIVER’S DOOR KEY CYLINDER SWITCH
(UNLOCK) in the DATA LIST.
Go to step 12.
Go to step 7.
7. Disconnect the driver’s door lock actuator 10P
connector.
8. Check the ON/OFF information of the DRIVER’S
DOOR KEY CYLINDER SWITCH (LOCK) and
DRIVER’S DOOR KEY CYLINDER SWITCH
(UNLOCK) in the DATA LIST.
Faulty driver’s door key cylinder switch;
replace the driver’s door lock actuator.
Go to step 9.
Driver’s Door Key Cylinder
Switch Signal Error
Wire side of female terminals
Is ther e continuity?
Is DT C B1127 indicated?
Ar e both inf or mation indicator s OF F ?
Ar e both inf or mation indicator s OF F ?
08/08/21 14:26:02 61SNR030_220_0123
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