Illumination Signal Check

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

TAIL LAMP OPERATION CHECK
When lighting switch turned 1st or 2nd position, does tail lamp illuminate?

YES or NO
- YES: GO TO 2.
- NO: Go to tail lamp trouble diagnosis. Refer to PARKING, LICENSE PLATE AND TAIL LAMPS DO NOT ILLUMINATE .
ILLUMINATION SIGNAL CHECK
Check voltage between NAVI control unit harness connector and ground

Fig 1: Navi Control Unit Harness Connector M58 Terminal 25 & Ground Voltage Specifications Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Navi Control Unit Harness Connector M58 Terminal 25 & Ground Voltage Test
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: Replace NAVI control unit.
- NG: Check harness for open or short between NAVI control unit and IPDM E/R. Refer to WIRING DIAGRAM -- TAIL/L -- .