1. Check Power Supply Circuit For Unified Meter And A/C Amp.

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect unified meter and A/C amp. connector.
Check voltage between unified meter and A/C amp. harness connector M50 terminals 21 (Y/R), 22 (G) and 35 (V), unified meter and A/C amp. harness connector M89 terminal 46 (W/L) and ground. See Figure through Fig 2 .

Fig 1: Identifying Unified Meter And A/C Amp. (Automatic Amplifier) Power Circuit Terminals

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

Fig 2: Identifying Unified Meter And A/C Amp. (Automatic Amplifier) Connector Terminal Specifications

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

OK or NG

OK, GO TO 2.
NG, Check 10A and 15A fuses [Nos. 6, 10, 12 and 19, located in the fuse block (J/B)]. Refer to Wiring Diagrams and Trouble Diagnosis .
- If fuses are OK, check harness for open circuit. Repair or replace as necessary.
- If fuses are NG, replace fuse and check harness for short circuit. Repair or replace as necessary.