Content .. 457 458 459 460 ..

Honda Ridgeline. Manual - part 459

＊０１

−

22-132

Keyless/Power Door Locks/Security System

Circuit Diagram (cont’d)

* :

RTS, RTL, and EXL models

: Communication line

MICU

BLK

G201

GRN/BLK

BLK

G602

BLU/ORN

Q11

H13

GRN/WHT

E14

LT GRN/RED

H12

GRN/YEL

E15

GRN

P13

RED/WHT

G401

BLK

UNDER HOOD FUSE/RELAY BOX

G501

BLK

RED/WHT

P27

•

No.15 (40 A) FUSE

BLU

GRN/YEL

B CAN

RED/BLK

•

RELAY CONTROL MODULE

TAILLIGHTS

D11

B CAN

No.4 (15 A) FUSE

No.13 (20 A) FUSE

BLU/RED

UNDER DASH FUSE/RELAY BOX

BRN/YEL

G602

BLK

BLK/YEL

GAUGE CONTROL MODULE

BLK/YEL

A10

J14

(LED)

No.7 (7.5 A) FUSE

WHT/RED

A19

N28

No.7
(7.5 A)

HOOD
SWITCH
(Closed :
Hood open)

TAILGATE
SWITCH
(Closed :
Tailgate open)

LEFT
REAR
DOOR
SWITCH
(Closed :
Door open)

FRONT
PASSENGER’S
DOOR
SWITCH
(Closed :
Door open)

DRIVER’S
DOOR
SWITCH
(Closed :
Door open)

IGNITION
KEY
SWITCH
(Closed :
Key inserted)

RIGHT
REAR
DOOR
SWITCH
(Closed :
Door open)

CD CHANGER
(With navigation
system)

AUDIO UNIT
(Without navigation
system)

HORN
SWITCH

FRONT PARKING
LIGHTS

TAILLIGHT
RELAY
CIRCUIT

HORN
RELAY
CIRCUIT

HORN
(High)

HORN
(Low)

CONTROLLER
AREA NETWORK
CONTROLLER

B CAN
TRANSCEIVER

SECURITY
INDICATOR

０１

ＳＪＣ８Ａ００Ｋ７６３０００Ｙ１０２６ＦＡＡＴ００

−

DTC B1026:

YES

22-133

DTC Troubleshooting

FRONT PASSENGER’S WINDOW/
DOOR LOCK SWITCH 10P CONNECTOR

LOCK (PNK/BLK)

UNLOCK (PNK/BLU)

Front Passenger’s Door Lock

Switch LOCK/UNLOCK 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 22-99).

1. Clear the DTCs with the HDS.

2. Turn the ignition switch OFF, and then back 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. Check for loose
or poor connections.

5. With the front passenger’s door lock switch in the

neutral position, select SECURITY 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 7.

Go to step 12.

7. Push the front passenger’s door lock switch to the

LOCK and UNLOCK positions, and 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 MICU, replace the under-dash fuse/

relay box.

Go to step 8.

8. Remove the front passenger’s door panel (see page

20-7).

9. Disconnect the 10P connector from the front

passenger’s window/door lock switch.

10. Disconnect the 30P connector from the under-dash

fuse/relay box connector P.

11. Check for continuity between the No. 1 and No. 2

terminals of the front passenger’s window/door
lock switch 10P connector.

Repair a short in the wire.

Faulty front passenger’s door lock switch.

(cont’d)

Wire side of female terminals

Is DT C B1026 indicated?

Ar e both inf or mation indicator s OF F ?

Does the F RONT PASSENGER’S DOOR LOCK
SW IT CH ( LOCK ) ( F RONT PASSENGER’S
DOOR LOCK SW IT CH ( UNLOCK )) inf or mation
indicate ON when the door lock switch is pushed
in each switch position, and OF F when the door
lock switch is r eleased?

Is ther e continuity?

０１

ＳＪＣ８Ａ００Ｋ７６４０００Ｙ１１２７ＦＡＡＴ００

−

YES

DTC B1127:

22-134

Keyless/Power Door Locks/Security System

DTC Troubleshooting (cont’d)

FRONT PASSENGER’S WINDOW/
DOOR LOCK SWITCH 10P CONNECTOR

LOCK (PNK/BLK)

UNLOCK (PNK/BLU)

12. Remove the front passenger’s door panel (see page

20-7).

13. Disconnect the 10P connector from the front

passenger’s window/door lock switch.

14. 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 front passenger’s door lock switch;

replace it.

Go to step 15.

15. Turn the ignition switch OFF.

16. Check for continuity between the No. 1 (UNLOCK)

and No. 2 (LOCK) terminals of the front passenger’s
door lock switch 10P connector and body ground.

Repair a short in the wire and recheck.

Faulty MICU; replace the under-dash fuse/

relay box.

NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A (see page 22-99).

1. Clear the DTCs with the HDS.

2. Turn the ignition switch OFF, and then back ON (II).

3. Operate the driver’s door key cylinder several

times.

4. Check for DTCs with the HDS.

Go to step 5.

Intermittent failure. The driver’s door key

cylinder system is OK at this time. Check for loose
or poor connections.

5. With the driver’s door key cylinder in the neutral

position, select SECURITY 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 7.

Go to step 8.

Driver’s Door Key Cylinder

Switch LOCK/UNLOCK Signal Error

Wire side of female terminals

Ar e both inf or mation indicator s OF F ?

Is ther e continuity?

Is DT C B1127 indicated?

Ar e both inf or mation indicator s OF F ?

０１

−

YES

22-135

DRIVER’S DOOR KEY CYLINDER SWITCH
3P CONNECTOR

UNLOCK
(WHT)

LOCK
(WHT/RED)

7. Turn the driver’s door key cylinder to the LOCK and

UNLOCK positions with the ignition key and 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.

Substitute the door multiplex control unit

and retest.

Faulty driver’s door key cylinder switch or a

short between the WHT/RED and/or WHT wires.

8. Remove the driver’s door panel (see page 20-7).

9. Disconnect the driver’s door key cylinder switch 3P

connector.

10. 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 it.

Go to step 11.

11. Turn the ignition switch OFF.

12. Disconnect the driver’s door multiplex control unit

23P connector.

13. Check for continuity between the No. 3 (LOCK) and

No. 1 (UNLOCK) terminals of the driver’s door key
cylinder switch 3P connector and body ground.

Repair a short in the WHT/RED (LOCK) or

WHT (UNLOCK) wire.

Faulty door multiplex control unit; replace the

power window master switch.

Terminal side of male terminals

Is the DRIV ER’S DOOR K EY CY LINDER
SW IT CH ( LOCK ) ( DRIV ER’S DOOR K EY
CY LINDER SW IT CH ( UNLOCK )) inf or mation
indicator ON when the key cylinder is in the LOCK
( UNLOCK ) position, and OF F when the key is in
the neutr al or opposite position?

Ar e both inf or mation indicator s OF F ?

Is ther e continuity?

Content .. 457 458 459 460 ..