SLIDING ROOF SYSTEM > TERMINALS OF ECU

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CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)


  1. Disconnect the T10 sliding roof ECU (sliding roof drive gear assembly) connector.


    B174139E12

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

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    T10-1 (B) - T10-2 (E)
    R - W-B
    +B Power supply
    Power switch off
    11 to 14 V
    T10-5 (IG) - T10-2 (E)
    L - W-B
    Power switch power supply
    Power switch off
    Below 1 V
    T10-5 (IG) - T10-2 (E)
    L - W-B
    Power switch power supply
    Power switch on (IG)
    11 to 14 V
    T10-2 (E) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the T10 sliding roof ECU (sliding roof drive gear assembly) connector.

  4. Measure the voltage according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    T10-7 (OPN) - T10-2 (E)
    SB - W-B
    Sliding roof motor open
    Power switch on (IG), SLIDE OPEN switch ON
    Below 1 V
    T10-7 (OPN) - T10-2 (E)
    SB - W-B
    Sliding roof motor open
    Power switch on (IG), SLIDE OPEN switch OFF
    11 to 14 V
    T10-9 (CLS) - T10-2 (E)
    BR - W-B
    Sliding roof motor close
    Power switch on (IG), SLIDE CLOSE switch ON
    Below 1 V
    T10-9 (CLS) - T10-2 (E)
    BR - W-B
    Sliding roof motor close
    Power switch on (IG), SLIDE CLOSE switch OFF
    11 to 14 V
    T10-10 (UP) - T10-2 (E)
    B - W-B
    Sliding roof motor up
    Power switch on (IG), TILT UP switch ON
    Below 1 V
    T10-10 (UP) - T10-2 (E)
    B - W-B
    Sliding roof motor up
    Power switch on (IG), TILT UP switch OFF
    11 to 14 V
    T10-8 (DWN) - T10-2 (E)
    R - W-B
    Sliding roof motor down
    Power switch on (IG), TILT DOWN switch ON
    Below 1 V
    T10-8 (DWN) - T10-2 (E)
    R - W-B
    Sliding roof motor down
    Power switch on (IG), TILT DOWN switch OFF
    11 to 14 V
    If the result is not as specified, the sliding roof ECU (sliding roof drive gear assembly) may have a malfunction.