Front Door Request Switch Check

With CONSULT-III 

Check front door request switch ("DR REQ SW" or "AS REQ SW") in "DATA MONITOR" mode.

Without CONSULT-III 

1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit harness connector M42 terminals 5, 25 and ground.
   CONNECTOR TERMINAL VOLTAGE SPECIFICATION
   
   

   Connector	Item	Terminals		Condition	Voltage (V) (Approx.)
   		(+)	(-)
   M42	Front door request switch LH	5	Ground	Door request switch is pressed ↓ Door request switch is released	0 ↓ Battery voltage
   	Front door request switch RH	25

   Fig 1: Checking Voltage Between Intelligent Key Unit Harness Connector M42 Terminals 5, 25 And Ground

   

OK or NG 

OK: Front door request switch is OK.

NG: GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect front door request switch connector.
3. Check continuity between front door request switch terminals 3 and 4.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   Component	Terminals		Condition	Continuity
   Front door request switch (LH or RH)	3	4	Front door request switch is pressed	Yes
   			Front door request switch is released	No

OK or NG 

OK: GO TO 3.

NG: Replace front door request switch.

Fig 2: Checking Continuity Between Front Door Request Switch Terminals 3 And 4

Check continuity between front door request switch harness connector D4 (LH), D103 (RH) terminal 4 and ground.

4 - Ground : Continuity should exist. 

OK or NG 

OK: GO TO 4.

NG: Repair or replace door request switch ground circuit.

Fig 3: Checking Front Door Request Switch Ground Circuit

1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit harness connector M42 (A) terminals 5 (LH), 25 (RH) and front door request switch harness connector D4 (B) (LH), D103 (RH) terminal 3.

   Driver side 5 - 3 : Continuity should exist. 

   Passenger side 25 - 3 : Continuity should exist. 

3. Check continuity between front door request switch harness connector D4 (B) (LH), D103 (RH), terminal 3 and ground.

   3 - Ground : Continuity should not exist. 

   OK or NG 

OK: GO TO 5.

NG: Repair or replace harness between Intelligent Key unit and front door request switch.

Fig 4: Checking Front Door Request Switch Circuit

1. Connect Intelligent Key unit connector.
2. Check voltage between front door request switch harness connector D4 (LH), D103 (RH) terminal 3 and ground.

   LH: 3 - Ground : Battery voltage 

   RH: 3 - 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 Front Door Request Switch Signal