Key Switch Insert Signal Inspection

WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II

Check key switch ("IGN KEY SW") in "DATA MONITOR" mode with CONSULT-II.
1. When key is inserted to : IGN KEY SW ON ignition key cylinder
2. When key is removed : IGN KEY SW OFF to ignition key cylinder
Fig 1: Checking Key Switch Input Signal With CONSULT-II
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II
1. Disconnect the BCM connector.
2. Check voltage between BCM and ground.
Fig 2: Checking Key Switch Input Signal Without CONSULT-II
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Identifying Terminal Condition And Voltage Table
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK >> Key switch and key lock solenoid (key switch) is OK.

NG >> GO TO 2.
CHECK KEY SWITCH CIRCUIT
1. Remove the key from the ignition key cylinder.
2. Disconnect key switch and key lock solenoid (key switch) connector.
3. Check continuity between BCM harness connector M4 terminal 69 (PU/W) and key switch and key lock solenoid (key switch) harness connector M64 terminal 4 (PU/W).
  1. Continuity should exist.
Fig 4: Checking Key Switch Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK >> GO TO 3.

NG >> Repair harness or connector.
CHECK KEY SWITCH (INSERT)
Check continuity key switch and key lock solenoid (key switch).

Fig 5: Checking Key Switch (Insert)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 6: Connector Terminal Condition And Continuity Table
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK >> Inspection end.

NG >> Replace key switch and key lock solenoid (key switch).