Keyless Buzzer Circuit Troubleshooting
- Connect the HDS to the data link connector (DLC).
- Turn the ignition switch ON (II).
- Check the "CUSTOMIZE SETUP" information on the multi-information display.
Does the keyless buzzer (KEYLESS LOCK ACKNOWLEDGMENT) information indicate off?
YES - Change to ON.
NO - Go to step 4.
- Turn the ignition switch OFF.
- Disconnect the keyless buzzer 2P connector.
- Check for continuity between keyless buzzer 2P connector terminal No. 2 and body ground.
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Is there continuity?
YES - Go to step 7.
NO - Repair an open in the wire or poor ground (G701).
- Disconnect driver's under-dash fuse/relay box connector P (30P).
- Connect keyless buzzer 2P connector terminal No. 1 to body ground with a jumper wire.
- Check for continuity between driver's under-dash fuse/relay box connector P (30P) terminal No. 29 and body ground.Fig 3: Checking Continuity Between Driver's Under-Dash Fuse/Relay Box Connector P (30P) Terminal No. 29 And Body Ground
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Is there continuity?
YES - Go to step 10.
NO - Repair an open in the wire.
- Remove the jumper wire.
- Check for continuity between driver's under-dash fuse/relay box connector P (30P) terminal No. 29 and body ground.Fig 4: Checking Continuity Between Driver's Under-Dash Fuse/Relay Box Connector P (30P) Terminal No. 29 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES - Repair short to ground in the wire.
NO - Substitute a known-good keyless access control unit and recheck. If there is still a malfunction, MICU must be faulty, replace the driver's under-dash fuse/relay box.