WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I

Turn ignition switch ON.
Connect CONSULT-II and select "DATA MONITOR" mode.

Fig 1: CONSULT-II Data Monitor Display
Courtesy of NISSAN MOTOR CO., U.S.A.

Select "LOAD SIGNAL" and check indication under the following conditions.

INDICATOR CONDITION TABLE

Condition	Indication
Rear window defogger switch: ON	ON
Rear window defogger switch: OFF	OFF

OK or NG

OK: GO TO 2.
NG: GO TO 3.

CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II

Check "LOAD SIGNAL" indication under the following conditions.

Fig 2: CONSULT-II Data Monitor Display

Courtesy of NISSAN MOTOR CO., U.S.A.

INDICATOR CONDITION TABLE

Condition	Indication
Lighting switch: ON at 2nd position	ON
Lighting switch: OFF	OFF

OK or NG

OK: INSPECTION END
NG: GO TO 4.

CHECK REAR WINDOW DEFOGGER SYSTEM
Refer to "REAR WINDOW DEFOGGER ".
- : INSPECTION END
CHECK HEADLAMP SYSTEM
Refer to "HEADLAMP (FOR USA) " or "HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM - ".
- : INSPECTION END

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Diagnostic Procedure

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?