STEP 1. Check harness connector B-30 at knock sensor and harness connector B-26 at ECM for damage.
STEP 2. Check for short circuit to power supply between knock sensor connector B-30 (terminal No. 2) and ECM connector B-26 (terminal No. 25).
STEP 3. Check for short circuit to power supply between knock sensor connector B-30 (terminal No. 1) and ECM connector B-26 (terminal No. 42).
STEP 4. Check the trouble symptoms.
STEP 5. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to Diagnostic Function - OBD-II Drive Cycle - Pattern 23 . (2) Check the diagnostic trouble code (DTC).
Is DTC P0328 set?
Retry the troubleshooting. The inspection is complete.