Honda Ridgeline. Manual — part 461
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not
obtained
22-140
Keyless/Power Door Locks/Security System
Control Unit Input Test (cont’d)
5. With the connectors still disconnected, make these input tests at the connectors.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If the input tests prove OK, go to step 6.
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K2
YEL/GRN
Connect the
battery positive
terminal to K12
(K2) terminal, and
K2 (K12) terminal
to H9 terminal
Check actuator operation:
The driver’s door lock
actuator should lock (unlock).
Faulty driver’s door lock
actuator
An open in the wire
K12
YEL/BLK
N7
YEL/BLK
Connect the
battery positive
terminal to N7 (N9)
terminal, and N9
(N7) terminal to H9
terminal
Check actuator operation:
The front passenger’s door
lock actuator should lock
(unlock).
Faulty front passenger’s door
lock actuator
An open in the wire
N9
YEL
H3
YEL/BLK
Connect the
battery positive
terminal to H3
(H10) terminal, and
H10 (H3) terminal
to H9 terminal
Check actuator operation:
The left rear door lock
actuator should lock (unlock).
Faulty left rear door lock
actuator
An open in the wire
H10
YEL
E2
YEL/BLK
Connect the
battery positive
terminal to E2 (E8)
terminal, and E8
(E2) terminal to H9
terminal
Check actuator operation:
The right rear door lock
actuator should lock (unlock).
Faulty right rear door lock
actuator
An open in the wire
E8
YEL
F5
RED/WHT
Connect the
battery positive
terminal to F5
terminal with the
trunk lid main
switch ON
Check actuator operation:
The in-bed trunk lid actuator
should unlock.
Poor ground (G601)
Faulty in-bed trunk lid main
switch
Faulty in-bed trunk lid actuator
An open in the wire
J14
BLK/YEL
Under all
conditions
Attach to ground:
The security indicator should
come on.
Blown No. 7 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty security indicator
An open in the wire
N5
BLK/YEL
Under all
conditions
Check for continuity between
the N5 terminal and the
gauge control module
connector B (14P) No. 7
terminal:
There should be continuity.
An open in the wire
Gauge control
module connector
B (14P)
disconnected
Check for continuity to
ground:
There should be no continuity.
Short to ground
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
22-141
6. Reconnect all connectors to the under-dash fuse/relay box. Turn the ignition switch ON (II), and make these input tests at the appropriate
connectors on the under-dash fuse/relay box.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 7.
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P1
BLK
Under all conditions
Check for voltage to
ground:
There should be less than 0.5 V.
Poor ground (G403)
An open in the wire
H9
BLK
Under all conditions
Check for voltage to
ground:
There should be less than 0.5 V.
Poor ground (G501)
An open in the wire
P29
BRN/WHT
Front passenger’s door lock
knob switch unlocked
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G402)
Faulty front passenger’s door lock knob
switch
An open in the wire
Front passenger’s door lock
knob switch locked
Check for voltage to ground:
There should be 5 V or more.
Faulty front passenger’s door lock knob
switch
Short to ground
P9
PNK/BLU
Front passenger’s door lock
switch unlocked
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G402)
Faulty front passenger’s door lock switch
An open in the wire
Front passenger’s door lock
switch in neutral
Check for voltage to ground:
There should be 5 V or more.
Faulty front passenger’s door lock switch
Short to ground
P25
PNK/BLK
Front passenger’s door lock
switch locked
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G402)
Faulty front passenger’s door lock switch
An open in the wire
Front passenger’s door lock
switch in neutral
Check for voltage to ground:
There should be 5 V or more.
Faulty front passenger’s door lock switch
Short to ground
Q2
BLK/WHT
Left rear door lock knob
switch unlocked
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G501)
Faulty left rear door lock knob switch
An open in the wire
Left rear door lock knob
switch locked
Check for voltage to ground:
There should be 5 V or more.
Faulty left rear door lock knob switch
Short to ground
Q3
BLK/RED
Right rear door lock knob
switch unlocked
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G501)
Faulty right rear door lock knob switch
An open in the wire
Right rear door lock knob
switch locked
Check for voltage to ground:
There should be 5 V or more.
Faulty right rear door lock knob switch
Short to ground
Q12
RED/BLU
In-bed trunk lid handle
switch
ON
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G602)
Faulty in-bed trunk lid handle switch
An open in the wire
In-bed trunk lid handle
switch
OFF
Check for voltage to ground:
There should be 5 V or more.
Faulty in-bed trunk lid handle switch
Short to ground
RTS, RTL, and EXL models
(cont’d)
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
22-142
Keyless/Power Door Locks/Security System
Control Unit Input Test (cont’d)
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Q4
GRY/BLU
In-bed trunk lid key cylinder
switch unlocked
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G602)
Faulty In-bed trunk lid key cylinder
switch
An open in the wire
In-bed trunk lid key cylinder
switch in neutral
Check for voltage to ground:
There should be 5 V or more.
Faulty In-bed trunk lid key cylinder
switch
Short to ground
P27
RED/WHT
Under all conditions
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G404)
Faulty connections at the audio unit
Faulty CD changer (with navigation
system)
Faulty audio unit (without navigation
system)
An open in the wire
P13
RED/WHT
Ignition key inserted into
the ignition switch
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G401)
Faulty ignition key switch
An open in the wire
Ignition switch OFF and
ignition key removed from
the ignition switch
Check for voltage to ground:
There should be 5 V or more.
Faulty ignition key switch
Short to ground
E15
GRN
Driver’s door open
Check for voltage to ground:
There should be less than 1 V.
Faulty driver’s door switch
An open in the wire
Driver’s door closed
Check for voltage to ground:
There should be 5 V or more.
Faulty driver’s door switch
Short to ground
H12
LT GRN/RED
Front passenger’s door
open
Check for voltage to ground:
There should be less than 1 V.
Faulty front passenger’s door switch
An open in the wire
Front passenger’s door
closed
Check for voltage to ground:
There should be 5 V or more.
Faulty front passenger’s door switch
Short to ground
E14
GRN/YEL
Left rear door open
Check for voltage to ground:
There should be less than 1 V.
Faulty left rear door switch
An open in the wire
Left rear door closed
Check for voltage to ground:
There should be 5 V or more.
Faulty left rear door switch
Short to ground
H13
GRN/WHT
Right rear door open
Check for voltage to ground:
There should be less than 1 V.
Faulty right rear door switch
An open in the wire
Right rear door closed
Check for voltage to ground:
There should be 5 V or more.
Faulty right rear door switch
Short to ground
Q7
BLU/YEL
In-bed trunk lid open
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G601)
Faulty In-bed trunk lid latch switch
An open in the wire
In-bed trunk lid closed
Check for voltage to ground:
There should be 5 V or more.
Faulty In-bed trunk lid latch switch
Short to ground
Q11
BLU/ORN
Tailgate open
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G602)
Faulty tailgate switch
An open in the wire
Tailgate closed
Check for voltage to ground:
There should be 5 V or more.
Faulty tailgate switch
Short to ground
1: RTS, RTL, and EXL models
2:After testing, insert the key into the ignition switch and turn the ignition switch ON (II) before continuing to the next step.
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*02
Relay Control Module
Cavity
Wire
Test condition
Test: Desired result
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
Possible cause if result is not obtained
22-143
BLU/RED
BLU/RED
UNDER-HOOD FUSE/RELAY BOX CONNECTOR H (18P)
GRN/BLK
7. Turn the ignition switch OFF.
8. Remove the under-hood fuse/relay box (see page 22-72).
9. Remove the under cover from the under-hood fuse/relay box, and disconnect the connector H (18P).
10. Inspect the connector and socket terminals to be sure they are all making good contact.
• If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.
• If the terminals look OK, go to step 11.
11. With the connector still disconnected, make these input tests at the connectors.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 12.
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H1
·
H9
BLU/RED
Under all
conditions
Connect the battery power to
the H1 (H9) terminal
momentarily:
There horn should sound.
Faulty horn
An open in the wire
12. Reconnect the connector to the under-hood fuse/relay box, turn the ignition switch ON (II) and make the input test
at the appropriate connector on the under-hood fuse/relay box.
• If a test indicates a problem, find and correct the cause, then recheck the system.
• If the input test proves OK, go to step 13.
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H2
GRN/BLK
Hood open
Check for voltage to ground:
There should be less than 1 V.
Poor ground (G201)
Faulty hood switch
An open in the wire
Hood closed
Check for voltage to ground:
There should be 5 V or more.
Faulty hood switch
Short to ground
(cont’d)
Wire side of female terminals
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