Ignition Knob Switch Check

INTELLIGENT KEY SYSTEM


Ignition Knob Switch Check

1.CHECK IGNITION KNOB SWITCH INPUT SIGNAL
With CONSULT-III
Display "PUSH SW" on DATA MONITOR screen, and check if ON/OFF display is linked to ignition switch operation.





Without CONSULT-III
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.





3. Check voltage between Intelligent Key unit and ground.





OK or NG
OK >> Ignition knob switch circuit is OK.
NG >> GO TO 2
2.CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch and ground.










OK or NG
OK >> GO TO 3
NG >> Repair or replace key switch and ignition knob switch power supply circuit.
3.CHECK IGNITION KNOB SWITCH
Check continuity of ignition knob switch.










OK or NG
OK >> GO TO 4
NG >> Replace key switch and ignition knob switch.
4.CHECK IGNITION KNOB SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector (A) terminal 27 and key switch and ignition knob switch connector (B) terminal 3.










3. Check continuity between Intelligent Key unit connector (A) terminal 27 and ground.






OK or NG
OK >> Check the condition of harness and harness connector.
NG >> Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.