Honda Ridgeline. Manual — part 550
25
26
*01
03
Driver’s Airbag
Front Passenger’s Airbag
Side Airbag
Side Curtain Airbag
24-25
A
B
A
A
A
1. Disconnect the negative cable from the battery, and
wait at least 3 minutes.
2. Remove the access panel (A) from the steering
wheel, then disconnect the driver’s airbag 4P
connector (B) from the cable reel.
3. Remove the glove box (see page 20-85), then
disconnect the front passenger’s airbag 4P
connector (A) from the dashboard wire harness.
4. Disconnect both side airbag 2P connectors (A) from
the floor wire harness.
5. Remove the headliner (see page 20-70). Disconnect
the roof wire harness 2P connector (A) from the
side curtain airbag.
(cont’d)
Driver’s seat shown; passenger’s seat is similar.
04
30
Seat Belt Tensioner
SRS Unit
24-26
SRS
Precautions and Procedures (cont’d)
A
A
B
C
6. Disconnect the floor wire harness 4P connector (A)
from the seat belt tensioner.
7. Disconnect SRS unit connector A (28P), SRS unit
connector B (28P), and/or SRS unit connector C
(28P) from the SRS unit.
01
SJC8A00K79100000000BBAT00
DTC (Diagnostic Trouble Codes)
Reading the DTC
Precautions
24-27
General Troubleshooting Information
A
The self-diagnostic function of the SRS system allows it
to locate the causes of system problems and then store
this information in memory. For easier troubleshooting,
this data can be retrieved via a data link circuit.
• When you turn the ignition switch ON (II), the SRS
indicator comes on. If it goes off after 6 seconds, the
system is normal, and is not currently detecting any
abnormality.
• If there is an abnormality, the system locates and
defines the problem, stores this information in
memory, and turns the SRS indicator on. The data
remains in memory even when the ignition switch is
turned off or if the battery is disconnected.
• The data is stored in memory as a diagnostic trouble
code (DTC).
• DTCs are either latching or resetting depending on
the malfunction. With resetting DTCs, the SRS
indicator goes off the next time the ignition switch is
turned ON and the system is normal, but the DTC is
still stored. With latching DTCs, the SRS indicator
does turn OFF until the malfunction is repaired and
the DTC is cleared.
• When you connect the HDS to the data link connector
(DLC), you can retrieve a more detailed DTC in the
Honda Systems ‘‘SRS’’ menu.
• After reading and recording the DTC, proceed with
the troubleshooting procedure for that code.
• Use only a digital multimeter to check the system. If
it’s not a Honda multimeter, make sure its output is
10 mA (0.01 A) or less when switched to the smallest
value in the ohmmeter range. A tester with a higher
output could damage the airbag circuit or cause
accidental airbag deployment and possible injury.
• Whenever the ignition switch is ON (II), or has been
turned OFF for less than 3 minutes, be careful not to
bump the SRS unit; the airbags could accidentally
deploy and cause damage or injuries.
• Before you remove the dashboard wire harness of
floor wire harness, disconnect the driver’s airbag
connector, the front passenger’s airbag connector,
both side airbag connectors, both side curtain airbag
connectors, and both seat belt tensioner connectors.
• Make sure the battery is sufficiently fully charged. If
the battery is dead or low, measured values may not
be correct.
• Do not touch a tester probe to the terminals in the
SRS unit or harness connectors, and do not connect
the SRS unit terminals or the sensor terminals with a
jumper wire. Use only the backprobe set and the
multimeter. Backprobe spring-loaded lock type
connectors correctly.
1. Make sure the ignition switch is OFF.
2. Connect the HDS to the data link connector (DLC)
(A).
3. Turn the ignition switch ON (II).
4. Use the HDS to check for SRS DTCs.
NOTE: SWS DTC assists SRS DTC. Therefore, do
troubleshoot correspond to SRS DTC.
5. Read and record the DTC.
6. Turn the ignition switch OFF, and wait for
10 seconds.
7. Disconnect the HDS from the DLC.
8. Do the troubleshooting procedure for the DTC.
(cont’d)
02
*01
Clear the DTC Memory with the HDS
Clear the DTC Memory using Manual Mode
Special Tools Required
24-28
SRS
General Troubleshooting Information (cont’d)
A
07PAZ-001010A
A
B
NOTE: Make sure the battery is fully charged before
you begin.
1. Make sure the ignition switch is OFF.
2. Connect the HDS to the data link connector (DLC)
(A).
3. Turn the ignition switch ON (II).
4. In the TEST MODE MENU of the HDS, select DTC
CLEAR. This clears the DTC(s).
5. Turn the ignition switch OFF, and wait for
10 seconds.
6. Disconnect the HDS from the DLC.
SCS Service Connector 07PAZ-001010A
NOTE: Make sure the battery is fully charged before
you begin.
To clear the DTC(s) from the SRS unit, use the HDS or
the following procedure.
1. Make sure the ignition switch is OFF.
2. Connect the SCS service connector (A) to the
yellow MES 2P connector (B). Do not use a jumper
wire.
3. Turn the ignition switch ON (II).
4. The SRS indicator will come on for about 6 seconds,
and then go off. Remove the SCS service connector
from the MES connector (2P) within 4 seconds after
the indicator goes off.
5. The SRS indicator will come on again. Reconnect
the SCS service connector to the MES connector
(2P) within 4 seconds after the indicator comes on.
6. When the SRS indicator goes off, remove the SCS
service connector from the MES connector (2P)
within 4 seconds.
7. The SRS indicator blinks two times, indicating that
the memory has been cleared.
8. Turn the ignition switch OFF, and wait for
10 seconds.
9. Turn the ignition switch ON (II) again. If the SRS
indicator comes on for 6 seconds, and then goes off,
the system is OK.
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