Diagnosis Procedure
WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
- Check Intelligent Key relative signal strength
- Confirm vehicle Intelligent Key antenna signal strength
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".
- CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
- Turn ignition switch OFF.
- Check signal between Intelligent Key unit connector and ground with an oscilloscope.
Connector Item Terminals Condition Signal (V) (Reference value) (+) (-) M70 Intelligent Key unit 35 Ground Ignition switch is pushed. Courtesy of NISSAN NORTH AMERICA, INC.
Is the inspection result normal?
YES: Luggage area antenna is OK.
NO: GO TO 2
- CHECK INSIDE KEY ANTENNA
- Disconnect Intelligent Key unit connector and luggage area antenna connectors.
- Check continuity between Intelligent Key unit harness connector (A) M70 terminals 35, 36 and luggage area antenna harness connector (B) B76 terminals 1, 2.
Intelligent Key unit connector Terminals Luggage area antenna connector Terminals Continuity A: M70 35 B: B76 1 Yes 36 2 - Check continuity between Intelligent Key unit harness connector (A) M70 terminals 35, 36 and ground.
Item Connector Terminals Continuity Intelligent Key unit A: M70 35 Ground No 36 Is the inspection result normal?
YES: GO TO 3
NO: Repair or replace harness between Intelligent Key unit and luggage area antenna.
- CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
- Replace inside key antenna. (New antenna or other antenna)
- Connect Intelligent Key unit connector.
- Check signal between Intelligent Key unit connector and ground with oscilloscope.
Connector Item Terminals Condition Signal (V) (Reference value) (+) (-) M70 Intelligent Key unit 35 Ground Ignition switch is pushed. Is the inspection result normal?
YES: Replace luggage area antenna.
NO: Replace Intelligent Key unit. Refer to "REMOVAL AND INSTALLATION ".