Will not start, does not recognize remote

Tiny
BRAMIA
  • MEMBER
  • 2005 ACURA RL
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 100,000 MILES
Acts like it doesn't recognize remote. Key indicator flashes on dash and it even started sounding the panic alarm, but stopped within a minute or so as I kept pushing buttons! Called my wife to bring second remote, but it did not work either. Neither remote will open the locks or work the windows either right now.
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Wednesday, December 15th, 2010 AT 1:32 AM

3 Replies

Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
Keyless Access Indicator Circuit Troubleshooting
Normal operation: The keyless access indicator comes on for 2 seconds when the ignition switch is turned ON (II), then turned OFF.
NOTE:If the keyless access control unit is new and not registered, the keyless access indicator comes on and stays on until the immobilizer code is registered. If a new keyless access control unit is used without registration, the keyless access indicator comes on.

Turn the ignition switch OFF, and then back ON (II).
Check the keyless access indicator.
Does the keyless access indicator come on for 2 seconds, then go off?
YES - The system is OK at this time.
NO - If the indicator does not come on, go to step 3. If the indicator stays on, go to step 15.
Turn the ignition switch OFF.
Connect the HDS to the data link connector (DLC).
Select the FUNCTION TEST MENU, then enter the KEYLESS ACCESS INDICATOR DRIVING.
Check the keyless access indicator operation.
Does the keyless access indicator come on?
YES - Replace the keyless access control unit.
NO - Go to step 7.
Check the other indicators in the gauge control module.
Do the other indicators come on?
YES - Go to step 8.
NO - Do to the gauge control module input test (see GAUGE CONTROL MODULE INPUT TEST ). If the input test is OK, replace the gauge control module.
Turn the ignition switch OFF.
Disconnect keyless access control unit connector A (31P) and gauge control module connector B (28P).
Check for continuity between keyless access control unit connector A (31P) terminal No. 31 and gauge control module connector B (28P) terminal No. 10.
Fig. 65: Checking Continuity Between Terminal No. 31 And Gauge Control Module Connector B (28P) Terminal No. 10
Courtesy of AMERICAN HONDA MOTOR CO, INC.
Is there continuity?
YES - Go to step 11.
NO - Repair an open in the wire.
Reconnect keyless access control unit connector A (31P).
Connect an ohmmeter between gauge control module connector B (28P) terminal No. 10 and body ground.
Fig. 66: Checking Continuity Between Gauge Control Module Connector B (28P) Terminal No. 10 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO, INC.
Turn the ignition switch ON (II).
Select the FUNCTION TEST MENU, then enter the KEYLESS ACCESS INDICATOR DRIVING.
Is there continuity while the FUNCTION TEST is on?
YES - Replace the gauge control module.
NO - Replace the keyless access control unit.
Check for DTCs with the HDS.
Are there any DTCs?
YES - Go to the indicated DTC troubleshooting.
NO - Go to step 16.
Turn the ignition switch OFF.
Disconnect keyless access control unit connector A (31P).
Turn the ignition switch ON (II).
Check the keyless access indicator operation.
Does the keyless access indicator turn off?
YES - Replace the keyless access control unit.
NO - Go to step 20.
Turn the ignition switch OFF.
Disconnect gauge control module connector B (28P).
Check for continuity between the keyless access control unit connector A (31P) terminal No. 31 and body ground.
Is there continuity?
YES - Repair a short to ground in the wire.
NO - Replace the gauge control module.
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Wednesday, December 15th, 2010 AT 2:21 AM
Tiny
BRAMIA
  • MEMBER
  • 2 POSTS
Wow, that's a lot to try! How do I "register an immobilizer code"? FYI, our remotes are not new, and have been working without a problem until now. It looks like a lot of what you are suggesting is going to require a mechanic with special tools and testing equip. Thanks.
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Wednesday, December 15th, 2010 AT 2:37 AM
Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
The quickest way to test the system is via computer testing the control module using HDS (honda diagnostic software) or equivalent generic software to do a function test sequence
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Wednesday, December 15th, 2010 AT 10:34 AM

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