Pinpoint Test N: The Smart Unlock Does Not Operate Correctly

Locks, Latches and Entry Systems







Pinpoint Tests

Pinpoint Test N: The Smart Unlock Does Not Operate Correctly

Normal Operation

The Smart Junction Box (SJB) automatically unlocks all the doors after the doors are locked with a door lock control switch if the key is in the ignition lock cylinder and one of the front doors is ajar.

This pinpoint test is intended to diagnose the following:

- Key-in-ignition switch
- Door ajar switch input
- SJB



PINPOINT TEST N: THE SMART UNLOCK DOES NOT OPERATE CORRECTLY

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N1 CHECK THE DOOR LOCK OPERATION


- Check the operation of the door locks from the driver door lock control switch.
- Do all the doors lock and unlock?

Yes
GO to N2.

No
GO to Symptom Chart. Symptom Related Diagnostic Procedures

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N2 CHECK THE COURTESY LAMP OPERATION


- Open and close the left and right front doors while checking the courtesy lamp operation.
- Do the courtesy lamps operate correctly?

Yes
GO to N3.

No
Refer to Courtesy Lamp. Testing and Inspection

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N3 CHECK THE KEY-IN-IGNITION CHIME


- Insert the key in the ignition switch.
- Open the driver door.
- Does the key-in-ignition chime operate correctly?

Yes
GO to N4.

No
REFER to Instrument Panel, Gauges and Warning Indicators.

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N4 CHECK FOR CORRECT SJB OPERATION


- Disconnect all the SJB connectors.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect all the SJB connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?

Yes
INSTALL a new SJB. TEST the system for normal operation.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.

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