Description
The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the ECM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.
2.PERFORM DTC CONFIRMATION PROCEDURE
Diagnosis Procedure
1.CHECK GROUND CONNECTION
2.CHECK KNOCK SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
3.DETECT MALFUNCTIONING PART
Check the following.
4.CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
5.DETECT MALFUNCTIONING PART
Check the following.
6.CHECK KNOCK SENSOR
7.CHECK INTERMITTENT INCIDENT
Component Inspection
1.CHECK KNOCK SENSOR
CAUTION: Never use any knock sensors that have been dropped or physically damaged. Use only new ones.
Outside the vehicle
The maintenance items listed here should be
performed from time to time, unless otherwise
specified.
Doors and engine hood: Check that the doors
and engine hood operate properly. Also ensure
that all latches lock securely. Lubricate hinges,
latches, latch pins, rollers and links if necessary ...
Telescopic switch
Description
ADP steering switch (telescopic switch) is equipped to the steering column.
The operation signal is input to the automatic drive positioner control unit
when the telescopic switch is operated.
Component Function Check
1. CHECK FUNCTION
Select "TELESCO SW-FR", "TELESCO SW-RR" i ...
Automatic anti-glare rearview mirror
The inside mirror is designed so that it automatically
dims during night time conditions and according
to the intensity of the headlights of the
vehicle following you. The automatic anti-glare
feature is activated when the ignition switch is in
the ON position.
The indicator light will i ...