Daytime Running Lamp: Testing and Inspection

Daytime Running Lamps (DRL)

Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart

Mechanical Electrical
Master lighting switch Bulb(s)
Relay(s) Electrical connector(s)
Damaged or corroded wiring harness
Fuse(s)
Battery junction box (BJB)
Central electrical junction box (CEJB)

1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
2. If the cause is not visually evident, verify the symptom and refer to the Jaguar Approved Diagnostic System.