Knock Sensor Wire Diagram

The ks is disconnected from its harness. First here s a diagram from the factory service manual. 1 4runner electrical wiring diagram 23e 2 7 am2 8 6 b w am1 4 st2 ig2 2 ig1 p 1 park neutral position sw 3e 2 1 3 5 7.

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The location will vary slightly by manufacturer.

Knock sensor wire diagram. To me the most interesting part about the knock sensor is that it only has one wire going to it. 5a alt s 40a am1 30a am2 120a alt 3 ii1 n p 9 w 6 3 ea1 9 ii1 to engine control module 2 9 1 2 b 11 a 1 1 1 2 22 ign 2. The component is found on the engine manifold mounted beneath the intake manifold in the middle of the engine. The two knock sensors are bolted into the cylinder block under the intake manifold.

This is the underside of the intake plenum. 1 and 2 are the knock sensors in diagram below. Conduct a visual inspection of the knock sensor wiring and any connections to the knock sensor to make sure there are no signs of disconnection tearing etc. Feb 27 2017 jeep cars trucks.

The check engine light and knock sensor related obd codes will immediately point a technician to the knock sensor. Refer to your repair manual for an exact diagram. Knock sensor can be seen tucked up in a little corner. This section will contain general information on how to troubleshoot wiring harness and repair connector procedures.

If the conclusion is that the knock sensor needs to be replaced then it is often recommended to replace not only the sensor but the knock harness as well. The knock sensor is connected with a wire harness coming out of the top. 1 knock sensor 2 12a 2 female documents similar to ford wiring diagrams. If drive around with the check engine light on when a code p0332 or a p0327 is set in the computer memory engine damage could occur.

The dotted lines in the diagram represent the wire shielding. Because of this they must be replaced as a pair. 1 h 4 heated oxygen sensor bank 1 sensor 2 br w b w b br br br ac1 br w l br gr b. Locate the knock sensor.

The two sensors share a common wiring harness using one electrical connector. The reason for this is the sensor generates its own voltage and is case grounded. The diagram is a little deceiving b c the grounding of the shielding to the knock sensor ground wire and chassis happens inside the car right next to the ecu rather than in the engine bay. Knock sensor location diagram.