LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2013 >> IS 250 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Wireless Door Lock Control System (Diagnostic Codes & Circuit Tests) >> Wireless Door Lock Control System >> Circuit Tests >> Power Source Circuit >> Procedure

Power Source Circuit: Procedure

  1. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - DOOR CONTROL RECEIVER) 
    1. Disconnect the P33 certification ECU connector and P46 door control receiver connector.
    2. Measure the voltage resistance according to the value(s) in the table below.

      Standard

      Symbol
      (Tester Connection)      		 Condition Specified Condition
      RC0 (P33-29) - +5 (P46-4) Always Below 1 Ω
      +B1 (P33-1) - Body ground Always 10 to 14 V
      RC0 (P33-29) - Body ground Always 10 kΩ or higher
      E (P33-17) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  2. INSPECT CERTIFICATION ECU 
    1. Reconnect the P33 connector.
      GTY275319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to value(s) in the table below.

      Standard voltage

      Symbol
      (Tester Connection)      		 Condition Specified Condition
      RC0 (P33-29) - E (P33-17) Engine switch OFF, all doors closed and transmitter switch not pressed Below 1 V
      Engine switch OFF, all doors closed and transmitter switch pressed 4.6 to 5.4 V
      +B1 (P33-1) - E (P33-17) Always 10 to 14 V

    NG → REPLACE CERTIFICATION ECU 

    OK → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

scientia non olet · About LEMON Manuals