Lexus NX: Headlight Cleaner Control Relay (for Single Beam Headlight)
			
			
			 Components
COMPONENTS
 ILLUSTRATION
  
   | *1 | FRONT BUMPER COVER | *2 | HEADLIGHT CLEANER CONTROL RELAY | 
 
  On-vehicle Inspection
ON-VEHICLE INSPECTION
 PROCEDURE
 1. INSPECT HEADLIGHT CLEANER CONTROL RELAY
   | (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:    | Tester Connection | Condition | Specified Condition |   | 6 (PB) - 4 (E) | Battery voltage not applied | 10 kΩ or higher |   | Battery positive (+) → Terminal 3 (IG) Battery negative (-) → Terminal 4 (E) Battery negative (-) → Terminal 5 (FRWA) |   | Battery positive (+) → Terminal 3 (IG) Battery negative (-) → Terminal 4 (E) | Below 1 Ω for 0.8 to 0.9 seconds, then resistance increases by large amount |   | Battery positive (+) → Terminal 3 (IG) Battery positive (+) → Terminal 1 (HDLO) Battery negative (-) → Terminal 4 (E) Battery negative (-) → Terminal 5 (FRWA) |  If the result is not as specified, replace the headlight cleaner control relay. |   |   |   |   | *a | Component without harness connected (Headlight Cleaner Control Relay) |  |  | 
 
  Removal
REMOVAL
 PROCEDURE
 1. REMOVE FRONT BUMPER ASSEMBLY
 (a) Remove the front bumper assembly.
 (1) for Sport Package:
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 (2) except Sport Package:
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 2. REMOVE HEADLIGHT CLEANER CONTROL RELAY
   | (a) Disconnect the connector. |  | 
 
 (b) Detach the claw and remove the headlight cleaner control relay.
  Installation
INSTALLATION
 PROCEDURE
 1. INSTALL HEADLIGHT CLEANER CONTROL RELAY
   | (a) Attach the claw to install the headlight cleaner control relay. |  | 
 
 (b) Connect the connector.
 2. INSTALL FRONT BUMPER ASSEMBLY
 (a) Install the front bumper assembly.
 (1) for Sport Package:
 Click here .gif) 
 
 (2) except Sport Package:
 Click here .gif) 
 
READ NEXT:
	
    On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT HEADLIGHT CLEANER CONTROL RELAY (a) Remove the headlight cleaner control relay.    (b) Measure the resistance according to the value(s)
   
   
 
	
    ComponentsCOMPONENTS ILLUSTRATION     *1   FRONT BUMPER ASSEMBLY   *2   HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY     RemovalREMOVAL PROCEDURE 1. REMOVE FRONT BUMPER ASSEMBLY Click here    2. REMOVE 
   
   
 
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   DESCRIPTION The hybrid vehicle control ECU monitors the IGCT relay and detects the following malfunction.    DTC No.   Detection Item   DTC Detection Condition   Trouble Area   MIL   Warning Indicate     P3110-223   HV Main Relay   IGCT relay stuck on (+B short): IGCT relay is stuck on or a short to
   
   
 
	
   DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and termin
   
   
 
 
	 
	
	
		
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