Remote Keyless Entry Receiver Check

1. Turn ignition switch OFF.
2. Check remote keyless entry receiver connector and ground signal with oscilloscope.
   CONNECTOR TERMINAL SIGNAL SPECIFICATION
   
   

   Terminals			Keyfob condition	Signal (Reference value)
   (+)		(-)
   Remote keyless entry receiver connector	Terminal
   M15	2	Ground	No function
   			Any button is pressed

   Fig 1: Checking Remote Keyless Entry Receiver Output Signal

   

OK or NG 

OK: Remote keyless entry receiver circuit is OK.

NG: GO TO 2.

1. Disconnect remote keyless entry receiver connector.
2. Check voltage between remote keyless entry receiver connector M15 terminal 4 and ground.
   CONNECTOR TERMINAL VOLTAGE SPECIFICATION
   
   

   Terminals			Voltage (V) (Approx.)
   (+)		(-)
   Remote keyless entry receiver connector	Terminal
   M15	4	Ground	4.5

OK or NG 

OK: GO TO  4.

NG: GO TO 3.

Fig 2: Checking Voltage Between Remote Keyless Entry Receiver Connector M15 Terminal 4 And Ground

1. Disconnect BCM connector.
2. Check continuity between BCM connector M18 (A) terminal 19 and remote keyless entry receiver connector M15 (B) terminal 4.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   A		B		Continuity
   BCM connector	Terminal	Remote keyless entry receiver connector	Terminal
   M18	19	M15	4	Yes

3. Check continuity between BCM connector (A) M18 terminal 19 and ground.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   A		Ground	Continuity
   BCM connector	Terminal
   M18	19		No

   Fig 3: Checking Continuity Between BCM Connector M18 Terminal 19 And Ground

   

OK or NG 

OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

NG: Repair or replace the harness.

Check continuity between remote keyless entry receiver connector M15 terminal 1 and ground.

OK or NG 

OK: GO TO  6.

NG: GO TO 5.

Fig 4: Checking Continuity Between Remote Keyless Entry Receiver Connector M15 Terminal 1 And Ground

Check continuity between BCM connector M18 (A) terminal 18 and remote keyless entry receiver connector M15 (B) terminal 1.

OK or NG 

OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

NG: Repair or replace the harness.

Fig 5: Checking Remote Keyless Entry Receiver Ground Circuit

1. Check continuity between BCM connector M18 (A) terminal 20 and remote keyless entry receiver connector M15 (B) terminal 2.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   A		B		Continuity
   BCM connector	Terminal	Remote keyless entry receiver connector	Terminal
   M18	20	M15	2	Yes

2. Check continuity between BCM connector (A) M18 terminal 20 and ground.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   A		Ground	Continuity
   BCM connector	Terminal
   M18	20		No

OK or NG 

OK: Replace remote keyless entry receiver. Refer to "REMOVAL AND INSTALLATION OF REMOTE KEYLESS ENTRY RECEIVER ".

NG: Repair or replace harness.

Fig 6: Checking Remote Keyless Entry Receiver Signal Circuit