Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / Intelligent Key

Component Function Check

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 FUNCTION

CONSULT

1. Select “RKE OPE COUN1” in “Data Monitor” mode of “BCM(INTELLIGENT KEY)”.

2. Check that the function operates normally according to the following conditions:

Is the inspection result normal?

Intelligent Key is OK.

Refer to Diagnosis Procedure.

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 FUNCTION

Check Intelligent Key function using Signal Tech II Tool [- (J-50190)] or Remote Keyless Entry Tester [- (J-43241)] (shown).

Does the test pass?

Intelligent Key is OK.

GO TO 2.

CHECK INTELLIGENT KEY COMPONENTS

1. Release the lock knob at the back of the Intelligent Key and remove the mechanical key.

2. Insert a flat-blade screwdriver (A) wrapped with a cloth into the slit of the corner and twist it to separate the upper part from the lower part.

   

   CAUTION:

   • Do not touch the circuit board or battery terminal.

   • The Intelligent Key is water-resistant. However, if it does get wet, immediately wipe it dry.

3. Remove the Intelligent Key battery.

   CAUTION:

   • Keep dirt, grease, and other foreign materials off the electrode contact area.

4. Visually inspect Intelligent Key internal components.

Is the inspection result normal?

GO TO 3.

Repair or replace malfunctioning parts.

CHECK INTELLIGENT KEY BATTERY

Check by connecting a resistance (approximately 300Ω) so that the current value becomes about 10 mA.

Is the measurement value within specification?

Intelligent Key battery is OK. Check remote keyless entry receiver. Refer to Component Function Check.

GO TO 4.

REPLACE INTELLIGENT KEY BATTERY

1. Replace the Intelligent Key battery.

2. Align the tips of the upper and lower parts, and then push them together until it is securely closed.

   

   CAUTION:

   • When replacing battery, keep dirt, grease, and other foreign materials off the electrode contact area.

3. After replacing the battery, check that all Intelligent Key functions work properly.

Is the inspection result normal?

Intelligent Key is OK.

Check remote keyless entry receiver. Refer to Component Function Check.