Test Description

Number(s) below refer to step numbers on Diagnostic Table.

1. 1. The On-Board Diagnostic (OBD II) System Check prompts technician to complete some basic checks and store freeze frame and failure records data on scan tool if applicable. This creates an electronic copy of data taken when malfunction occurred. The information is then stored on scan tool for later reference.
2. 2. If conditions for test as described above are met, a DTC P0327 will set and MIL will illuminate.
3. 4. If engine has an internal knock or audible noise that causes a knocking type noise on engine block. KS may be responding to noise.
4. 6. Checking internal resistance of KS or wiring to KS is okay.
5. 7. Any Circuit. that is suspected as causing complaint. should be thoroughly checked for backed-out terminals, improper mating, broken locks, improperly formed or damaged terminals, poor terminal-to-wiring connections or physical damage to wiring harness.
6. 8. The replacement PCM/ECM must be reprogrammed.

Fig 1: DTC P0327: Knock Sensor Circuit Fault (1 Of 2)

Courtesy of DAEWOO

Fig 2: DTC P0327: Knock Sensor Circuit Fault (2 Of 2)

Courtesy of DAEWOO