ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) FUSES
Check 30A fusible link h and 40A fusible link i for ABS actuator and electric unit (control unit). For fusible link layout, refer to "POWER SUPPLY ROUTING CIRCUIT ".

OK or NG
1. OK: GO TO 2.
2. NG: If fusible link is blown, be sure to eliminate cause of problem before replacing.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUITS
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check voltage between ABS actuator and electric unit (control unit) connector terminal 1 (Y) and ground and terminal 32 (B/Y) and ground.
Does battery voltage exist?
1. YES: GO TO 3.
2. NO: Repair harness or connectors between fusible link and ABS actuator and electric unit (control unit).
Fig 1: Checking Voltage Between ABS Actuator And Electric Unit Connector Terminals 1, 32 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
Check continuity between ABS actuator and electric unit (control unit) connector terminal 16 (B) and ground and terminal 47 (B) and ground.

Does continuity exist?
1. YES: Replace ABS actuator and electric unit (control unit). Refer to "REMOVAL AND INSTALLATION ".
2. NO: Repair harness or connectors between ABS actuator and electric unit (control unit) and ground.
Fig 2: Checking Continuity Between ABS Actuator And Electric Unit Connector Terminals 16, 47 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.