Remote Keyless Entry Receiver Check

REMOTE KEYLESS ENTRY SYSTEM


Remote Keyless Entry Receiver Check

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











OK or NG
OK - Remote keyless entry receiver circuit is OK.
NG - GO TO 2
2.CHECK REMOTE KEYLESS ENTRY RECEIVER INPUT VOLTAGE
1. Disconnect remote keyless entry receiver connector.
2. Check voltage between remote keyless entry receiver connector M23 terminal 4 and ground.










OK or NG
OK - GO TO 4
NG - GO TO 3
3.CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector (A) M18 terminal 19 and remote keyless entry receiver connector (B) M23 terminal 4.










3. Check continuity between BCM connector (A) M18 terminal 19 and ground.






OK or NG
OK - Replace BCM. Service and Repair .
NG - Repair or replace the harness.
4.CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver connector M23 terminal 1 and ground.










OK or NG
OK - GO TO 6
NG - GO TO 5
5.CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between BCM connector (A) M18 terminal 18 and remote keyless entry receiver connector
(B) M23 terminal 1.










OK or NG
OK - Replace BCM. Service and Repair .
NG - Repair or replace the harness.
6.CHECK REMOTE KEYLESS ENTRY RECEIVER SIGNAL CIRCUIT
1. Check continuity between BCM connector (A) M18 terminal 20 and remote keyless entry receiver connector (B) M23 terminal 2.










2. Check continuity between BCM connector (A) M18 terminal 20 and ground.






OK or NG
OK - Replace remote keyless entry receiver. Service and Repair .
NG - Repair or replace harness.