DTC P0332 Knock Sensor 2 Circuit Low (Bank 2): Wiring Diagram

Fig 1: Knock Sensor - Wiring Diagram

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK HARNESS BETWEEN ECM AND KNOCK SENSOR CONNECTOR.  Turn the ignition switch to OFF. Disconnect the connector from ECM. Measure the resistance between ECM connectors. Connector & terminal  (B137) No. 4 - (B134) No. 29:	Is the resistance 600 kΩ or more?	Go to step 2.	Repair the poor contact of ECM connector.
2 CHECK KNOCK SENSOR.  Disconnect the connector from knock sensor. Measure the resistance between knock sensor terminals. Terminals  No. 1 - No. 2:	Is the resistance 600 kΩ or more?	Replace the knock sensor. Ref. to KNOCK SENSOR .	Repair the harness and connector. NOTE: In this case, repair the following item: Open circuit in harness between ECM and knock sensor connector Poor contact of knock sensor connector Poor contact of coupling connector