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KNOCK SENSOR INSPECTION [AJ] (VIN: JMZ LW19J7*# 300001-, JM0 LW10J300 300001-301405, JM6 LW10J300 300001-, JM8 LW28J**# 300001-301513)

BME014018920203

  Note

  • Perform the following test only when directed.

## Resistance Inspection

1. Turn the ignition switch to LOCK.

2. Disconnect the knock sensor connector.

3. Measure the resistance between the knock sensor terminals A and B.

  • If not as specified, replace the knock sensor.
  • If the knock sensor is normal, but PID value or PCM terminal 57 and 66 voltage are out of specification, perform the "Circuit Open/Short Inspection".

Specification

  Approx. 560 kilohms (20 °C {68 °F})

## Circuit Open/Short Inspection

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

2. Inspect the following wiring harness for open or short (Continuity check).

### Open circuit

  • If there is no continuity, the circuit is open. Repair or replace the harness.
  - Knock sensor terminal A (harness-side) and PCM terminal 57
  - Knock sensor terminal B (harness-side) and PCM terminal 4

### Short circuit

  • If there is continuity, the circuit is shorted. Repair or replace the harness.
  - Knock sensor terminal A (harness-side) and power supply
  - Knock sensor terminal A (harness-side) and body ground
  - Knock sensor terminal B (harness-side) and power supply
  - Knock sensor terminal B (harness-side) and body ground