Component Inspection

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK KNOCK SENSOR

Turn ignition switch OFF.
Disconnect knock sensor harness connector.
Check resistance between knock sensor terminal as per the following.

NOTE: It is necessary to use an ohmmeter which can measure more than 10 MΩ.

RESISTANCE REFERENCE

Terminals	Resistance
1 and 2	Approx. 532 - 588 kΩ [at 20°C (68°F)]

Fig 1: Checking Resistance Between Knock Sensor Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Never use any knock sensors that have been dropped or physically damaged. Use only new ones.

Is the inspection result normal?

YES: INSPECTION END

NO: Replace malfunctioning knock sensor.