Inspection 11: VDC/TCS/Abs Control Unit Power Circuit

Check self-diagnosis results.

Fig 1: Displaying Self-Diagnosis Results

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

Does "LOW BATTERY VOLTAGE" appear in self-diagnosis results display?

1. YES: GO TO  2.
2. NO: Inspection is completed.

1. Disconnect VDC/TCS/ABS control unit connector E218. Then reconnect it securely.
2. Perform self-diagnosis.

Do any self-Diagnosis items appear?

1. YES: GO TO  33.
2. NO: Poor connection. Repair or replace applicable connector.

1. Disconnect VDC/TCS/ABS control unit connector E218.
2. Turn ignition switch ON (but do not start engine).
3. Check voltage between VDC/TCS/ABS control unit harness connector E218 and body ground.
   Fig 2: Checking VDC/TCS/ABS Control Unit Power System

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 3: Displaying VDC/TCS/ABS Control Unit-To-Body Ground

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

OK or NG

1. OK: GO TO  4.
2. NG: GO TO  5.

Check continuity between VDC/TCS/ABS control unit harness connector E218 and body ground.

Fig 4: Checking VDC/TCS/ABS Control Unit Ground Circuit

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

Fig 5: Displaying VDC/TCS/ABS Control Unit-To-Body Ground Continuity

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

OK or NG

1. OK: Perform VDC/TCS/ABS control unit self-diagnosis again.
2. NG: Poor installation of VDC/TCS/ABS control unit, or harness malfunction

1. Check fuse 10A.
2. Disconnect VDC/TCS/ABS control unit connector E218 and positive battery terminal.
3. Check continuity between battery positive terminal and VDC/TCS/ABS control unit harness connector E218.
   Fig 6: Checking VDC/TCS/ABS Control Unit Power System

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 7: Displaying VDC/TCS/ABS Control Unit-To-Positive Battery Terminal Continuity

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

OK or NG

1. OK: Check for non-standard conditions in battery (terminal looseness, low voltage, etc.) And alternator.
2. NG:
   • Replace fuse 10A.
   • Open or short in harness.