Honda Ridgeline. Manual — part 508
Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired
result is not obtained
22-328
Immobilizer System
Immobilizer Control Unit-Receiver Input Test (cont’d)
5. Reconnect the connector to the immobilizer control unit-receiver, and make these input tests at the connector.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, the immobilizer control unit-receiver must be faulty; replace it.
•
•
•
•
•
•
•
•
•
1
Under all
conditions
Measure voltage to ground:
There should be less than 0.5 V.
Poor ground (G101)
An open in the wire
Faulty PCM
7
Under all
conditions
Measure voltage between
immobilizer control unit-receiver
7P connector No. 7 terminal and
body ground:
There should be battery voltage.
Blown No. 7 (7.5 A) fuse in
the under-dash fuse/relay
box
An open in the wire
6
Ignition switch
ON (II)
Measure voltage to ground:
There should be battery voltage.
Blown No. 19 (15 A) fuse in
the under-dash fuse/relay
box
An open in the wire
2
PCM, imoes
unit, and
immobilizer
control unit-
receiver
connectors
disconnected
Should have continuity between
PCM, imoes unit and immobilizer
control unit-receiver. Should not
have continuity to ground.
Open circuit
Short to ground
BRN/YEL
WHT/RED
BLK/GRN
RED/BLU
(S-NET)
(Signal)
(LG1)
(+B)
(IG1)
(IMOLD)
01
SJC8A00J46636234491KBAT00
22-329
Immobilizer Control Unit-Receiver Replacement
A
C
B
1. Remove the driver’s dashboard lower cover
(see page 20-83).
2. Remove the steering column covers (see page
17-24).
3. Disconnect the 7P connector (A) from the
immobilizer control unit-receiver (B).
4. Remove the two screws and the immobilizer
control unit-receiver from the ignition key cylinder
(C).
5. Install the immobilizer control unit-receiver in the
reverse order of removal.
6. After replacement, check the immobilizer system.
SJC8A000000000J2323ABAT00
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) (If Audio, Navigation, and Telematics
maintenance is required)
The Ridgeline SRS includes a driver’s airbag in the steering wheel hub, a passenger’s airbag in the dashboard above
the glove box, seat belt tensioners in the front seat belt retractors, side curtain airbags in the sides of the roof, and side
airbags in the front seat-backs. Information necessary to safely service the SRS is included in this Service Manual.
Items marked with an asterisk (
) on the contents page include or are located near SRS components. Servicing,
disassembling, or replacing these items requires special precautions and tools, and should be done by an authorized
Honda dealer.
• To avoid rendering the SRS inoperative, which could lead to personal injury or death in the event of a severe frontal
or side collision, all SRS service work should be done by an authorized Honda dealer.
• Improper service procedures, including incorrect removal and installation of the SRS, could lead to personal injury
caused by unintentional deployment of the airbags and/or side airbags.
• Do not bump or impact the SRS unit, front impact sensors, or side impact sensors when the ignition switch is ON (II),
or for at least 3 minutes after the ignition switch is turned OFF; otherwise, the system may fail in a collision, or the
airbags may deploy.
• SRS electrical connectors are identified by yellow color coding. Related components are located in the steering
column, front console, dashboard, dashboard lower panel, in the dashboard above the glove box, in the front seats,
in the roof side, and around the floor. Do not use electrical test equipment on these circuits.
SJC8A000000000J2323ZCAT00
Audio, Navigation, and
Telematics
Audio System
Navigation System
Audio, Navigation, and Telematics
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Special Tools
. 23-2
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Component Location Index
. 23-3
Symptom Troubleshooting Index
. 23-4
System Description
. 23-5
Circuit Diagram
. 23-18
Self-diagnostic Function
. 23-22
Error Codes
. 23-23
Symptom Troubleshooting
. 23-24
Sound Quality Diagnosis
. 23-51
Audio Unit Removal/Installation
. 23-57
Audio Disc Changer
Removal/Installation
. 23-58
Speaker Replacement
. 23-59
XM Receiver Removal/Installation
. 23-61
Auxiliary Jack Assembly Replacement
. 23-61
Audio Remote Switch Test
. 23-62
AM/FM Antenna Amplifier
Replacement
. 23-62
XM Antenna Replacement
. 23-63
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Component Location Index
. 23-64
General Troubleshooting Information
. 23-65
Symptom Troubleshooting Index
. 23-71
System Description
. 23-75
Circuit Diagram
. 23-98
Symptom Troubleshooting
. 23-100
System Diagnostic Mode
. 23-120
Forced Starting of Display
. 23-138
DVD-ROM Replacement
. 23-138
Navigation Unit Removal/Installation
. 23-139
GPS Antenna Removal/Installation
. 23-140
Voice Control Switch Test
. 23-141
Navigation Display Removal/
Installation
. 23-141
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