6-1-82 ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE)
DTC P0325 (DTC No.43) Knock Sensor Circuit Malfunction
CIRCUIT DESCRIPTION
DTC DETECTING CONDITION AND TROUBLE AREA
DTC CONFIRMATION PROCEDURE
1) Connect scan tool to DLC with ignition switch OFF.
2) Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool.
3) Start engine and run it for 10 sec.
4) Check DTC by using scan tool.
1. Knock sensor
2. ECM (PCM)
DTC DETECTING CONDITION TROUBLE AREA
DTC will set when one of the following condition is
detected.
• KNOCK sensor voltage is 0.90 V or less, or
• KNOCK sensor voltage is 3.98 V or more
• “WHT” circuit open or shorted to ground
• KNOCK sensor malfunction
• ECM malfunction
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