Pinpoint Test H: The Puddle Lamps Stay On Continuously

Interior Lighting

Pinpoint Test H: The Puddle Lamps Stay On Continuously

Refer to Wiring Diagrams Set 89, Interior Lamps for schematic and connector information. Electrical Diagrams

Normal Operation

The Smart Junction Box (SJB) 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 on the puddle lamp output circuit.

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors

- SJB (Smart Junction Box)

PINPOINT TEST H : THE PUDDLE LAMPS STAY ON CONTINUOUSLY

H1 CHECK THE EXTERIOR MIRROR INPUT 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 circuit CLN25 (VT) for a short to voltage. CLEAR the DTCs. REPEAT the self-test.

No
GO to H2.

H2 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.