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Acura CSX. Manual - part 517

＊９１

22-118

Keyless/Power Door Locks/Security System

•

G18

HORN

LT GRN

G16

T26

PNK

BRN

G602

BLK

G602

BRN

GRY

T25

BLU/BLK

GRN

F27

BLK

G101

GRY

E17

BRN

LT GRN

GRN

E37

G504

BLK

PNK

R16

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)

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

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＊９１

22-119

G505

BLK

GRN

BLU

BLK

G701

BLU

G13

BLK

G401

LT BLU

GRN

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

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 ?

Is ther e continuity?

08/08/21 14:26:01 61SNR030_220_0122

０２

ＳＮＲ９Ａ００Ｋ７６３０００Ｙ１１２７ＦＡＡＴ００

−

YES

DTC B1127:

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 ?

08/08/21 14:26:02 61SNR030_220_0123

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