Diagnosis Procedure
WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect push-button ignition switch connector.
- Check voltage between push-button ignition switch harness connector and ground.VOLTAGE SPECIFICATION
(+) (-) Voltage (V) (Approx.) Push-button ignition switch Connector Terminal M50 8 Ground Battery voltage Is the inspection normal?
YES: Go to 2.
NO-1: Check 10 A fuse [No. 9, located in fuse block (J/B)].
NO-2: Check harness for open or short between push-button ignition switch and fuse.
- CHECK BCM INPUT
- Connect push-button ignition switch connector.
- Disconnect BCM connector.
- Check voltage between BCM connector and ground.VOLTAGE SPECIFICATION
(+) (-) Voltage (V) (Approx.) BCM Connector Terminal M119 15 Ground Battery voltage M122 93 M123 134 Is the inspection normal?
YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
NO: Go to 3.
- CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
- Disconnect push-button ignition switch connector.
- Check continuity between BCM harness connector and push-button ignition switch harness connector.CONTINUITY SPECIFICATION
Indicator BCM Push-button ignition switch Continuity Connector Terminal Connector Terminal LOCK M123 134 M50 5 Existed ACC M119 15 6 ON M122 93 7 - Check continuity between BCM harness connector and ground.CONTINUITY SPECIFICATION
Indicator BCM Ground Continuity Connector Terminal LOCK M123 134 Not existed ACC M119 15 ON M122 93 Is the inspection normal?
YES: Replace push-button ignition switch. Refer to "REMOVAL AND INSTALLATION ".
NO: Repair or replace harness.