#
KNOCK SENSOR (KS) INSPECTION [L3 Turbo]

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  Note

  • Perform the following test only when directed.

## Resistance Inspection

1. Turn the ignition switch to the LOCK position.

2. Disconnect the KS connector.

3. Measure the resistance between the KS terminals A and B using a tester.

  • If not as specified, replace the KS. (SeeKNOCK SENSOR (KS) REMOVAL/INSTALLATION [L3 Turbo].)
  • If the KS is normal, but PID value is out of specification, perform the "Circuit Open/Short Inspection".

Specification

  Approx. 4.87 megohms

## Circuit Open/Short Inspection

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [L3 Turbo].)

2. Inspect the following wiring harnesses for an open or short circuit. (Continuity check)

### Open circuit

  • If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
  - KS terminal A and PCM terminal 2S
  - KS terminal B and PCM terminal 2P

### Short circuit

  • If there is continuity, there is a short circuit. Repair or replace the wiring harness.
  - KS terminal A and power supply
  - KS terminal A and body ground
  - KS terminal B and power supply
  - KS terminal B and body ground