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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P032700KNOCK SEN/CIRC-B1
(Knock/combustion vibration sensor 1 circuit low bank 1 or single sensor )
Diagnosis conditionEngine running at idle
Signal (terminal)Knock sensor 1 signal
ThresholdAn excessively low voltage from the sensor is sent to ECM
Diagnosis delay time—
 
 
POSSIBLE CAUSE
  • Harness or connectors (The knock sensor 1 circuit is open or shorted.)
  • Knock sensor 1
 
 
FAIL-SAFE
Not applicable
 
 
DTC Confirmation Procedure
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.
: .
 
2.PERFORM DTC CONFIRMATION PROCEDURE
  1. Start engine and run it for at least 5 seconds at idle speed.
  2. Check 1st trip DTC.
Is 1st trip DTC detected?
Proceed to DTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END