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SUNROOF TSB Revision BODY 42-87 STEP 3. Check the harness wires between sunroof-ECU connector D-03 and ground? STEP 4. Check symptoms Q: Are the intermediate connectors, harness wires, and sunroof-ECU normal? CHECKING AT THE SUNROOF-ECU M1426002400026 TERMINAL VOLTAGE CHART AC000623AB CONNECTOR: D-03 5 4 6 13 3 2 1 14 12 11 10 9 8 7 15 16 1718 AC004260 Sunroof-ECU Connector Terminal Arrangement AB TERMINAL NO. CHECK ITEM CHECK STATE NORMAL STATE 1Sensor power supply Ignition switch: ON Battery positive voltage 2 Sensor 1When motor is operating Battery positive voltage 3 Sunroof switch Sunroof switch (open po- ON 0V OFF Battery positive voltage 4 Sunroof switch (up) Sunroof switch (up posi- ON 0V OFF Battery positive voltage 6 ECU power supply Ignition switch: ON Battery positive voltage 7 ECU power supply Always Battery positive voltage 8 Motor output While sunroof is closing or moving up Battery positive voltage Other then the above 0V 9 Sensor earth Always 0V 10 Sensor 2 When motor is operating Battery positive voltage |