SLIDING ROOF SYSTEM Sliding Roof ECU Power Source Circuit

DESCRIPTION

If the sliding function and tilt function do not operate, there may be a malfunction in the sliding roof drive gear sub-assembly (sliding roof ECU) power source circuit.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

PROCEDURE

1. READ VALUE USING INTELLIGENT TESTER (IGNITION SWITCH SIGNAL)

   
   

   1. Use the Data List to check if the ignition switch signal is functioning properly Click here.

      Sliding Roof

      Tester Display	Test Part	Control Range	Diagnostic Note
      Ignition (MPX)	Ignition switch signal (MPX signal)/ON or OFF	ON: Engine switch on (IG) OFF: Engine switch off	-
      Ignition (Direct Signal)	Ignition switch signal/ON or OFF	ON: Engine switch on (IG) OFF: Engine switch off	-

      OK
      The intelligent tester displays as shown in the table according to the operation of each switch.

   
   

   OK

   REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here

   NG

2. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) - BATTERY AND BODY GROUND)

   
   
   1. 

      Text in Illustration

      *a	Front view of wire harness connector (to Sliding Roof Drive Gear Sub-assembly (Sliding Roof ECU))

      Disconnect the R15 sliding roof drive gear sub-assembly (sliding roof ECU) connector.

   2. Measure the resistance and voltage according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition R15-12 (E) - Body ground Always Below 1 Ω
      Standard Voltage
      Tester Connection Switch Condition Specified Condition R15-8 (B) - Body ground Always 11 to 14 V R15-1 (IG) - Body ground Engine switch off Below 1 V R15-1 (IG) - Body ground Engine switch on (IG) 11 to 14 V

   
   

   OK

   REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR