Check Remote Keyless Entry Receiver

INTELLIGENT KEY SYSTEM


Check Remote Keyless Entry Receiver

1.CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.










OK or NG
OK - Remote keyless entry receiver is OK.
NG - GO TO 2.
2.CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
1. Disconnect remote keyless entry receiver connector.
2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.










OK or NG
OK - GO TO 4.
NG - GO TO 3.
3.CHECK HARNESS CONTINUITY 1
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.










3. Check continuity between Intelligent Key unit connector and ground.





OK or NG
OK - Check the condition of harness and connector.
NG - Repair or replace harness between Intelligent Key unit and remote keyless entry receiver.
4.CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver connector and ground.










OK or NG
OK - GO TO 6.
NG - GO TO 5.
5.CHECK HARNESS CONTINUITY 2
Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.










OK or NG
OK - Check the condition of harness and connector.
NG - Repair or replace harness between Intelligent Key unit and remote keyless entry.
6.CHECK HARNESS CONTINUITY 3
1. Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.










2. Check continuity between Intelligent Key unit connector and ground.





OK or NG
OK - GO TO 7.
NG - Repair or replace harness between Intelligent Key unit and remote keyless entry.
7.INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit and remote keyless entry receiver connector.
2. Check voltage between Intelligent Key unit connector and ground.










OK or NG
OK - Check the condition of harness and connector.
NG - GO TO 8.
8.CHECK HARNESS CONTINUITY 4
1. Disconnect Intelligent Key unit and remote keyless entry receiver connector.
2. Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.










3. Check continuity between Intelligent Key unit connector and ground.





OK or NG
OK - Check the condition of harness and connector.
NG - Repair or replace harness between Intelligent Key unit and remote keyless entry receiver.