Driver Side Junction Block Assembly (Body ECU) Left Side
WARNING: This page is about a different car, the 2003 Lexus ES 300 and 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the body ECU connector B6. See Fig 1.
- Check the voltage of each terminal of the wire harness side connector. See INSPECTING DRIVER SIDE JUNCTION BLOCK ASSEMBLY (BODY ECU) LEFT SIDE VOLTAGE table. If the value is not as specified, there may be a malfunction in the wire harness side.INSPECTING DRIVER SIDE JUNCTION BLOCK ASSEMBLY (BODY ECU) LEFT SIDE VOLTAGE
Tester Connection Condition Voltage B6-9 (PD) - Ground Turning Driver's Door Lock Cylinder From Neutral To Unlock By Key For 2.5 Sec. Or More) 0 Volt - 10-14 Volts B6-1 (DCTY) - Ground Driver's Door Fully Closed - Opened 0 Volt - 10-14 Volts