Sliding Roof System - Terminals Of Ecu

Brand:

Toyota

Model Name:

Camry ACV40 GSV40

Manual:

Repair Manual

Section:

Sliding Roof

Title:

Sliding Roof System

  1. Check sliding roof drive gear sub-assembly (sliding roof control ecu)



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CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)

Disconnect the Q12 ECU connector. Camry

  1. Disconnect the Q12 ECU connector.

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

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    B (Q12-1) - E (Q12-2)
    		B - W-B
    		+B power supply
    		Always
    		10 to 14 V
    IG (Q12-5) - E (Q12-2)
    		Y - W-B
    		Ignition switch power supply
    		Ignition switch off
    		Below 1 V
    IG (Q12-5) - E (Q12-2)
    		Y - W-B
    		Ignition switch power supply
    		Ignition switch on (IG)
    		10 to 14 V
    OPN (Q12-7) - E (Q12-2)
    		BR - W-B
    		Sliding roof motor open
    		OPEN switch OFF
    		10 kΩ or higher
    OPN (Q12-7) - E (Q12-2)
    		BR - W-B
    		Sliding roof motor open
    		OPEN switch ON
    		Below 1 Ω
    CLS (Q12-9) - E (Q12-2)
    		L - W-B
    		Sliding roof motor closed
    		CLOSE switch OFF
    		10 kΩ or higher
    CLS (Q12-9) - E (Q12-2)
    		L - W-B
    		Sliding roof motor closed
    		CLOSE switch ON
    		Below 1 Ω
    UP (Q12-10) - E (Q12-2)
    		W - W-B
    		Sliding roof motor up
    		UP switch OFF
    		10 kΩ or higher
    UP (Q12-10) - E (Q12-2)
    		W - W-B
    		Sliding roof motor up
    		UP switch ON
    		Below 1 Ω
    DWN (Q12-8) - E (Q12-2)
    		G - W-B
    		Sliding roof motor down
    		DOWN switch OFF
    		10 kΩ or higher
    DWN (Q12-8) - E (Q12-2)
    		G - W-B
    		Sliding roof motor down
    		DOWN switch ON
    		Below 1 Ω
    E (Q12-2) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the Q12 ECU connector.

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

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    OPN (Q12-7) - E (Q12-2)
    		BR - W-B
    		Sliding roof motor open
    		Ignition switch on (IG), sliding roof closed, OPEN switch OFF
    		Below 1 V
    OPN (Q12-7) - E (Q12-2)
    		BR - W-B
    		Sliding roof motor open
    		Ignition switch on (IG), sliding roof closed, OPEN switch ON
    		10 to 14 V
    CLS (Q12-9) - E (Q12-2)
    		L - W-B
    		Sliding roof motor closed
    		Ignition switch on (IG), sliding roof open, CLOSE switch OFF
    		Below 1 V
    CLS (Q12-9) - E (Q12-2)
    		L - W-B
    		Sliding roof motor closed
    		Ignition switch on (IG), sliding roof open, CLOSE switch ON
    		10 to 14 V
    UP (Q12-10) - E (Q12-2)
    		W - W-B
    		Sliding roof motor up
    		Ignition switch on (IG), sliding roof tilted downward, UP switch OFF
    		Below 1 V
    UP (Q12-10) - E (Q12-2)
    		W - W-B
    		Sliding roof motor up
    		Ignition switch on (IG), sliding roof tilted downward, UP switch ON
    		10 to 14 V
    DWN (Q12-8) - E (Q12-2)
    		G - W-B
    		Sliding roof motor down
    		Ignition switch on (IG), sliding roof tilted upward, DOWN switch OFF
    		Below 1 V
    DWN (Q12-8) - E (Q12-2)
    		G - W-B
    		Sliding roof motor down
    		Ignition switch on (IG), sliding roof tilted upward, DOWN switch ON
    		10 to 14 V
    If the result is not as specified, the ECU may have a malfunction.