Pinpoint Test G: The Puddle Lamps Stay On Continuously

Interior Lighting

Pinpoint Test G: The Puddle Lamps Stay On Continuously

Normal Operation

When the Smart Junction Box (SJB) detects a request for the courtesy lamps (such as open door or from the instrument panel dimmer switch), the SJB (Smart Junction Box) provides voltage to the puddle lamps.

- DTC B2A39 (Puddle Lamp Output Circuit Open)- an on-demand DTC that sets when the SJB (Smart Junction Box) detects a short to voltage from the puddle lamp output circuit.

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors

- SJB (Smart Junction Box)

PINPOINT TEST G : THE PUDDLE LAMPS STAY ON CONTINUOUSLY

G1 CHECK THE INTERIOR COURTESY LAMPS

- Observe the interior courtesy lamps.

Are the interior courtesy lamps illuminated?

Yes
GO to Pinpoint Test E. Pinpoint Test E: All the Courtesy Lamps Stay On Continuously

No
GO to G2.

G2 CHECK THE SJB (Smart Junction Box) PUDDLE LAMPS OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE

- Ignition OFF.

- Disconnect: SJB (Smart Junction Box) C2280C.

- Ignition ON.

Do the puddle lamps continue to illuminate?

Yes
REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.

No
GO to G3.

G3 CHECK FOR CORRECT SJB (Smart Junction Box) OPERATION

- Disconnect all the SJB (Smart Junction Box) connectors.

- Check for:
- corrosion

- damaged pins

- pushed-out pins


- Connect all the SJB (Smart Junction Box) 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 (Smart Junction Box). 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.