No.1 SECURITY LIGHT DISPLAY IS NOT NORMAL


BHE090367000W02

1

The security light display is not normal.

DESCRIPTION

• The security light remains illuminated 2 min or more after the ignition switch is turned to the ON position
• The security light does not illuminate when the ignition switch is turned to the ON position.
• The security light remains illuminated while the ignition switch is at the LOCK position.
• The security light does not flash or the flashing interval is abnormal while the ignition switch is at the LOCK position.

POSSIBLE CAUSE

• Keyless unit malfunction
• Instrument cluster malfunction
• Open or short circuit in the wiring harness between the instrument cluster and keyless unit
Note
• If the security light remains illuminated for approx. 1 min after the ignition switch is turned to the ON position and then displays a DTC, perform immobilizer system malfunction diagnosis according to that DTC. (See DTC TABLE (IMMOBILIZER SYSTEM).)
• While performing immobilizer system security access using the WDS, the security light does not illuminate even if the ignition switch is turned to the ON position. Verify the illumination condition of the security light by disconnecting the DLC-2 to release security access.

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
• Turn the ignition switch to the ON position.
• Do other warning lights in the instrument cluster illuminate normally?
Yes
Go to the next step.
No
Inspect the instrument cluster.
2
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable.
• Disconnect the instrument cluster connector (24-pin).
• Connect the negative battery cable.
• Does the security light illuminate?
Yes
Replace the instrument cluster.
No
Go to the next step.
3
• Disconnect the negative battery cable.
• Ground instrument cluster terminal 2F using a jumper wire.
• Connect the negative battery cable.
• Does the security light illuminate?
Yes
Go to the next step.
No
Replace the instrument cluster.
4
• Disconnect the negative battery cable.
• Disconnect the instrument cluster connector.
• Connect the keyless unit connector.
• Connect the negative battery cable.
• Turn the ignition switch to the ON position.
• Does the security light illuminate?
Yes
Replace the keyless unit.
No
Repair the wiring harness.