Acura RL. Manual - part 104

The controller area network (CAN) transmits/receives pulsing signals to/from the control modules
simultaneously by using two signal lines (CANH and CANL).

When the powertrain control module (PCM) does not receive the signals from the gauge control module via
the CAN lines for more than a set time, the PCM detects a malfunction and a DTC is stored.

Monitor Execution, Sequence, Duration, DTC Type, OBD Status

MONITOR DESCRIPTION CHART

Enable Conditions

ENABLE CONDITIONS

Malfunction Threshold

The PCM does not receive any signals from the gauge control module for at least 1 second.

Diagnosis Details

Conditions for illuminating the MIL

When a malfunction is detected, the MIL comes on and the DTC and the freeze frame data are stored in the
PCM memory.

Conditions for clearing the MIL

The MIL will be cleared if the malfunction does not recur during three consecutive trips in which the
diagnostic runs.

The MIL, the DTC, and the freeze frame data can be cleared by using the scan tool Clear command or by
disconnecting the battery.

Execution

Continuous

Sequence

None

Duration

1 second or more

DTC Type

One drive cycle, MIL ON

OBD Status

N/A

Condition

Minimum

Maximum

Battery voltage

10.0 V

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics - RL

Friday, June 05, 2009 2:32:09 PM

2005-08 RESTRAINTS

SRS (Supplemental Restraint System) - RL

COMPONENT LOCATION INDEX

Fig. 1: Identifying SRS Component Location Index (1 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2007 Acura RL

2005-08 RESTRAINTS SRS (Supplemental Restraint System) - RL

2007 Acura RL

2005-08 RESTRAINTS SRS (Supplemental Restraint System) - RL

Friday, June 05, 2009 2:21:54 PM

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Friday, June 05, 2009 2:22:03 PM

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Fig. 2: Identifying SRS Component Location Index (2 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

PRECAUTIONS AND PROCEDURES

GENERAL PRECAUTIONS

Please read the following precautions carefully before servicing the airbag system. Observe the instructions
described in this manual, or the airbags could accidentally deploy and cause damage or injuries.



Except when doing electrical inspections, always turn the ignition switch OFF, ground the SCS line
with the HDS to take the PCM out of active status, disconnect the negative cable from the battery,
then wait for 3 minutes before starting work.



Use replacement parts which are manufactured to the same standards and quality as the original parts.
Do not install used SRS parts. Use only new parts when making SRS repairs.



Carefully inspect any SRS part before you install it. Do not install any part that shows signs of being
dropped or improperly handled, such as dents, cracks or deformation.

NOTE:

The SRS memory is not cleared even if the ignition switch is turned
OFF or the battery cables are disconnected from the battery.

2007 Acura RL

2005-08 RESTRAINTS SRS (Supplemental Restraint System) - RL

Friday, June 05, 2009 2:21:55 PM

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Fig. 3: Precaution For SRS Parts Handling
Courtesy of AMERICAN HONDA MOTOR CO., INC.



Before removing any of the SRS parts (including the disconnection of the connectors), always
disconnect the SRS connector.



Use only a digital multimeter to check the system. If it is not a Honda multimeter, make sure its
output is 10 mA (0.01 A) or less when switched to the lowest value in the ohmmeter range. A tester
with a higher output could cause accidental deployment and possible injury.



Do not put objects on the front passenger's airbag.



The original audio system and the navigation system have a coded theft protection circuit. Be sure to
get the client's anti-theft codes before disconnecting the negative cable from the battery.



Before returning the vehicle to the client, enter the anti-theft codes for the audio system and the
navigation system.



If you disconnect the battery cable, the power tilt and telescopic steering wheel system needs to be
reset when you reconnect the battery cable. Do the Steering Column Position Memorization (see
STEERING COLUMN POSITION MEMORIZATION ).

STEERING-RELATED PRECAUTIONS

Cable Reel Alignment



Misalignment of the cable reel could cause an open in the wiring, making the SRS system, remote
steering wheel controls, and the horn inoperative. Center the cable reel whenever the following is
performed (see step 6 ).



Installation of the steering wheel



Installation of the cable reel



Installation of the steering column



Other steering-related adjustment or installation



Do not disassemble the cable reel.



Do not apply grease to the cable reel.



If the cable reel shows any signs of damage, replace it with a new one. For example, if it does not
rotate smoothly, replace the cable reel.

AIRBAG HANDLING AND STORAGE

Do not disassemble an airbag. It has no serviceable parts. Once an airbag has been deployed, it cannot be

2007 Acura RL

2005-08 RESTRAINTS SRS (Supplemental Restraint System) - RL

Friday, June 05, 2009 2:21:55 PM

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