Trunk Open Signal Check

CHECK ELECTRONIC KEY TRUNK OPENING SIGNAL

Check voltage between auto trunk control unit connector B110 terminal 5 and ground.

CONNECTOR VOLTAGE CHART

Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
B110	5 (G/Y)	Ground	Trunk button on electronic key ON	5 --> 0 --> 5
B110	5 (G/Y)	Ground	Other than above	5

Fig 1: Checking Voltage Between Auto Trunk Control Unit Connector B110 Terminal 5 And Ground

G04129567

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK : Trunk open signal is OK.
NG : GO TO 2.

CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and auto trunk control unit connector.
3. Check continuity between BCM connector M4 terminal 1 and auto trunk control unit connector B110 terminal 5.
  1 (G/Y) - 5 (G/Y) : Continuity should exist.
4. Check continuity between BCM connector M4 terminal 1 and ground.
  1 (G/Y) - Ground : Continuity should not exist.
OK or NG
- OK : GO TO 3.
- NG : Repair or replace harness.
  
  Fig 2: Checking Continuity Between BCM Connector M4 Terminal 1 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK AUTO TRUNK CONTROL UNIT OUTPUT SIGNAL
1. Connect auto trunk control unit connector.
2. Check voltage between auto trunk control unit connector B110 terminal 5 and ground.
  5 (G/Y) - Ground : Approx. 5V
OK or NG
- OK : Check the condition of the harness and the connector.
- NG : Replace auto trunk control unit.
  
  Fig 3: Checking Voltage Between Auto Trunk Control Unit Connector B110 Terminal 5 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.