Trunk Opener Request Switch Check

With CONSULT-III 

Check trunk opener request switch ("BD/TR REQ SW") in "DATA MONITOR" mode.

Without CONSULT-III 

1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit connector M42 terminal 29 and ground.
   CONNECTOR TERMINAL VOLTAGE SPECIFICATION
   
   

   Connector	Terminals		Condition	Voltage (V) (Approx.)
   	(+)	(-)
   M42	29	Ground	Trunk opener request switch is pressed	0
   			Trunk opener request switch is released	5

OK or NG 

OK: Trunk opener request switch is OK.

NG: GO TO 2.

Fig 1: Checking Voltage Between Intelligent Key Unit Connector M42 Terminal 29 And Ground

1. Turn ignition switch OFF.
2. Disconnect trunk opener request switch connector.
3. Check continuity between trunk opener request switch terminals 1 and 2.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   Component	Terminals		Condition	Continuity
   Trunk opener request switch	1	2	Trunk opener request switch is pressed	Yes
   			Trunk opener request switch is released	No

OK or NG 

OK: GO TO 3.

NG: Replace trunk opener request switch.

Fig 2: Checking Continuity Between Trunk Opener Request Switch Terminals 1 And 2

Check continuity between trunk opener request switch harness connector T5 terminal 2 and ground.

2 - Ground : Continuity should exist. 

OK or NG 

OK: GO TO 4.

NG: Repair or replace trunk opener request switch ground circuit.

Fig 3: Checking Continuity Between Trunk Opener Request Switch Harness Connector T5 Terminal 2 And Ground

1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit harness connector M42 (A) terminal 29 and trunk opener request switch harness connector T5 (B) terminal 1.

   29 - 1 : Continuity should exist. 

3. Check continuity between Intelligent Key unit harness connector M42 (A) terminal 29 and ground.

   29 - Ground : Continuity should not exist. 

   Fig 4: Checking Continuity Between Intelligent Key Unit Harness Connector M42 Terminal 29 And Ground

   

OK or NG 

OK: GO TO 5.

NG: Repair or replace harness between Intelligent Key unit and trunk opener request switch.

1. Connect Intelligent Key Unit connector.
2. Check voltage between trunk opener request switch harness connector T5 terminal 1 and ground.

   1 - Ground : Battery voltage 

OK or NG 

OK: Check condition of harness and connector.

NG: Replace Intelligent Key unit. Refer to "REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT ".

Fig 5: Checking Voltage Between Trunk Opener Request Switch Harness Connector T5 Terminal 1 And Ground