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Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Engine Control System - DTCS P1148 To P2A03) >> DTC P1553: Battery Current Sensor >> Component Inspection >> Battery Current Sensor
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Battery Current Sensor

WARNING: This page is about a different car, the 2008 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. Reconnect harness connectors disconnected.
  2. Disconnect battery negative cable (1).
  3. Install jumper cable (A) between battery negative terminal and body ground.
  4. Turn ignition switch ON.
    Fig 1: Installing Jumper Cable Between Battery Negative Terminal And Body Ground
    G05739621Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Check voltage between ECM terminal 71 (battery current sensor signal) and ground.

    Voltage: Approximately 2.5V 

  6. If NG, replace battery negative cable assembly.
    Fig 2: Checking Voltage Between ECM Terminal 71 (Battery Current Sensor Signal) And Ground
    G05739622Courtesy of NISSAN MOTOR CO., U.S.A.
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