Daytime Light Control Does Not Operate Properly (High Beam Headlamps Operate Properly)

WARNING: This page is about a different car, the 2010 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DAYTIME LIGHT RELAY 1 FUSE
Inspect daytime light relay fuse 10A fuse (No. 27, located in the fuse and fusible link box).

OK or NG

OK: GO TO 2.

NG: Repair harness.
CHECK DAYTIME LIGHT RELAY 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Remove daytime light relay 1.
3. Check voltage between daytime light relay 1 harness connector E29 terminals 2, 5 and ground.
  2, 5 - Ground : Battery voltage should exist.
  
  Fig 1: Checking Voltage Between Daytime Light Relay 1 Harness Connector E29 Terminals 2, 5 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  OK or NG
  
  OK: GO TO 3.
  
  NG: Repair harness or connector.
CHECK DAYTIME LIGHT RELAY 1
1. Apply battery voltage to daytime light relay 1 terminal 2 and supply ground to terminal 1.
2. Check continuity between terminals 3 and 5.
  OK or NG
  
  3 - 5 : Continuity should exist.
  
  Fig 2: Identifying Daytime Light Relay 1 Terminals
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  OK: GO TO 4.
  
  NG: Replace daytime light relay 1.
CHECK INPUT SIGNAL
1. Connect daytime light relay 1.
2. Apply parking brake and start engine. Headlamp switch OFF.
3. Select "IPDM E/R" on CONSULT-III. With DATA MONITOR, make sure "DTRL REQ" turns OFF-ON linked with operation of parking brake switch.
  Parking brake ON : DTRL REQ OFF
  
  Parking brake OFF : DTRL REQ ON
  
  OK or NG
  
  OK: GO TO 6.
  
  NG: GO TO 5.
CHECKING CAN COMMUNICATIONS
Select "BCM" on CONSULT-III and perform self-diagnosis for BCM.

Displayed self-diagnosis results

NO DTC: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

CAN COMM CIRCUIT: Check BCM CAN communication system. Refer to "TROUBLE DIAGNOSIS FLOW CHART ".

CHECK DAYTIME LIGHT RELAY 1 CONTROL CIRCUIT

Turn ignition switch OFF.
Disconnect daytime light relay 1 connector E29.
Disconnect IPDM E/R connector E47.

Check continuity between IPDM E/R connector E47 (A) terminal 49 and daytime light relay 1 connector E29 (B) terminal 1.

CONNECTOR TERMINAL CONTINUITY CHART

A		B		Continuity
Connector	Terminal	Connector	Terminal	Yes
E47	49	E29	1	Yes

Fig 3: Checking Continuity Between IPDM E/R Connector E47 Terminal 49 And Daytime Light Relay 1 Connector E29 Terminal 1

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

OK or NG

OK: Replace the IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

NG: Repair harness or connector.