DTC Troubleshooting: P0328(3.0L Engine): Inspection

Knock Sensor 1 (Bank 1) Inspection

NOTE: Since there is no direct method to test the component itself, troubleshooting is performed on the related components.

Test Procedure

Unit output voltage inspection

Procedure
- Jump the knock sensor 1 (Bank 1) 2P connector terminals No. 1 and No. 2 with a jumper wire.
- Turn the vehicle to the ON mode.
- Confirm the HDS [Knock Sensor (Circuit Diag)-B1].


	(Disconnected)Knock sensor 1 (Bank 1) 2P connectorfemale terminals
	Courtesy of HONDA, U.S.A., INC.

Results

KSB1, KSSGB1 Circuit Inspection

NOTICE:

Before disconnecting the PCM connector, jump the SCS line with the HDS, and wait more than 1 minute.

Test Procedure

Preparation
- -
  Knock sensor 1 (Bank 1) 2P connector: disconnected
- -
  PCM connector E (114P): disconnected
Procedure
- -
  Perform the inspection according to the following table.


		(Disconnected)Knock sensor 1 (Bank 1) 2P connectorfemale terminals	(Disconnected) PCM connector E (114P) - Refer to: PCM Connector for Inputs and Outputs(3.0L Engine) or PCM Connector for Inputs and Outputs(2.0L Engine) female terminals
	IG Mode	Courtesy of HONDA, U.S.A., INC.	Courtesy of HONDA, U.S.A., INC.	Normal Conditions
KSB1 open wire inspection	OFF			There is less than 1 Ohm
KSSGB1 open wire inspection	OFF			There is less than 1 Ohm
Refer to the Open/Shorted Wire Inspection Description for the method to inspect the shorted circuit below, then start to inspect according to circumstances.
KSB1 shorted to power inspection	ON			Not shorted

Results

PCM Inspection

Test Procedure

If the other inspection item(s) indicated a normal condition, then it is determined that the remaining PCM is the cause.

Results