Honda Ridgeline. Manual — part 459
*01
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22-132
Keyless/Power Door Locks/Security System
Circuit Diagram (cont’d)
C
B
A
D
* :
RTS, RTL, and EXL models
: Communication line
MICU
BLK
G201
GRN/BLK
H2
BLK
G602
BLU/ORN
Q11
2
1
H13
GRN/WHT
E14
LT GRN/RED
H12
GRN/YEL
E15
GRN
2
1
P13
RED/WHT
G401
BLK
UNDER HOOD FUSE/RELAY BOX
G501
BLK
H9
2
1
RED/WHT
P27
•
•
*
No.15 (40 A) FUSE
J8
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
BLU/RED
H9
H1
UNDER DASH FUSE/RELAY BOX
BRN/YEL
G602
BLK
BLK/YEL
GAUGE CONTROL MODULE
BLK/YEL
B6
A10
B7
N5
J14
(LED)
1
2
No.7 (7.5 A) FUSE
WHT/RED
WHT/RED
WHT/RED
A19
*
N28
J4
1
1
1
1
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
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DTC B1026:
YES
NO
YES
NO
YES
NO
YES
NO
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
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−
−
−
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YES
NO
YES
NO
YES
NO
YES
NO
DTC B1127:
22-134
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
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YES
NO
YES
NO
YES
NO
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?
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