Acura RL (1996-2004 year). Manual — part 687
Troubleshooting - '96 - 98 Models
DTC 1- 3
CAUTION: 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.
NOTE: The PCM memory must be reset after reconnect-
).
Try to reproduce the SRS indicator light:
1. Erase the DTC memory (see page
).
2. Turn the ignition switch ON (II), and check that the SRS
indicator light comes on for about 6 seconds and then
goes off.
Intermittent failure, system is OK at this time. See Trouble-
shootinq Intermittent Failures on page
Check for a short to another wire in the driver's airbag infla-
tor:
1. Turn the ignition switch OFF.
2. Disconnect the battery negative cable, then disconnect
the positive cable, and wait for 3 minutes.
3. Disconnect the driver's airbag 2P connector from the
cable reel 2P connector.
CAUTION: Do not disconnect the passenger's airbag
connector.
4. Connect the special tool (2 S7) to the cable reel 2P connec-
tor.
5. Reconnect the battery positive cable, then reconnect the
negative cable.
6. Erase the DTC memory (see page
).
).
Short in the driver's airbag inflator; replace the driv-
er's airbag (see page
).
Check for a short in the cable reel:
1. Disconnect the battery negative cable, then disconnect
the positive cable, and wait for 3 minutes.
2. Disconnect the special tool from the cable reel 2P
connector.
3. Remove the dashboard lower cover, and disconnect the
cable reel 2P connector from the SRS main harness.
4. Connect the special tool to the SRS main harness
2P connector. (cont'd)
To page
SRS MAIN HARNESS
2P CONNECTOR
CABLE
REEL
2P CONNECTOR
CABLE REEL
2P CONNECTOR
DRIVER'S AIRBAG
2P CONNECTOR
Main Menu
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Check for a short in the cable reel (cont'd):
5. Reconnect the battery positive cable, then reconnect the
negative cable.
6. Erase the DTC memory (see page
).
).
Short in the cable reel; replace the cable reel (see
page
).
Check for a short in the SRS main harness:
1. Disconnect the battery negative cable, then disconnect
the positive cable, and wait for 3 minutes.
2. Disconnect the front passenger's airbag connector, then
disconnect the driver's and front passenger's seat belt
tensioner connectors (see page
).
3. Disconnect the SRS main harness 18P connector from
the SRS unit. Do not disconnect the special tool
from the SRS main harness 2P connector.
4. Check resistance between terminals No. 1 and No. 13 of
the SRS main harness 18P connector.
There should be approx. 2.0 - 3.0
Short in the SRS main harness; replace the SRS main har-
ness.
Faulty SRS unit; replace the SRS unit (see page
).
Main Menu
Table of Contents
Troubleshooting - '96 - 98 Models
DTC 1-4
CAUTION: 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.
NOTE: The PCM memory must be reset after reconnect-
).
Try to reproduce the SRS indicator light:
1. Erase the DTC memory (see page
).
2. Turn the ignition switch ON (II), and check that the SRS
indicator light comes on for about 6 seconds and then
goes off.
Does the SRS indicator light stay on?
YES
NO
Intermittent failure, system is OK at this time. See Trouble-
shooting Intermittent Failures on page
Check for a short to power in the driver's airbag inflator:
1. Turn the ignition switch OFF.
2. Disconnect the battery negative cable, then disconnect
the positive cable, and wait for 3 minutes.
3. Disconnect the driver's airbag 2P connector from the
cable reel 2P connector.
CAUTION: Do not disconnect the passenger's airbag
connector.
4. Connect the SRS service connector to the cable reel
2P connector.
5. Reconnect the battery positive cable, then reconnect the
negative cable.
6. Erase the DTC memory (see page
).
).
Is DTC 1-4 indicated?
YES
NO
Short to power in the driver's airbag inflator; replace
the driver's airbag (see page
).
Check for a short to power in the cable reel:
1. Disconnect the battery negative cable, then disconnect
the positive cable, and wait for 3 minutes.
2. Disconnect the special tool from the cable reel 2P
connector.
3. Remove the dashboard lower cover, and disconnect the
cable reel 2P connector from the SRS main harness.
4. Connect the special tool to the SRS main harness
2P connector. (cont'd)
Main Menu
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Check for a short to power in the cable reel (cont'd):
5. Reconnect the battery positive cable, then reconnect the
negative cable.
6. Erase the DTC memory (see page
).
).
Short to power in the cable reel; replace the cable reel
(see page
).
Check for a short to power in the SRS main harness:
1. Disconnect the battery negative cable, then disconnect
the positive cable, and wait for 3 minutes.
2. Disconnect the front passenger's airbag connector, then
disconnect the driver's and front passenger's seat belt
tensioner connectors (see page
).
3. Remove the special tool (2 Q) from the SRS main harness
2P connector.
4. Disconnect the SRS main harness 18P connector from
the SRS unit.
5. Reconnect the battery positive cable, then reconnect the
negative cable.
6. Connect a voltmeter between the No. 1 (+) terminal o1
the SRS main harness 18P connector and body ground.
7. Turn the ignition switch ON (II), and measure voltage.
There should be 0.5 V or less.
8. Turn the ignition switch OFF.
9. Connect a voltmeter between the No. 13 (+) terminal of
the SRS main harness 18P connector and body ground.
10. Turn the ignition switch ON (II), and measure voltage.
There should be 0.5 V or less.
SRS MAIN HARNESS
18P CONNECTOR
Faulty SRS unit; replace the SRS unit (see page
).
Are voltages as specified?
Short to power in the SRS main harness; replace the SRS
main harness.
Main Menu
Table of Contents
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