Sienna FWD V6-3.3L (3MZ-FE) (2006)
a. Disconnect the E4, E5 and E6 ECM connectors.
b. Check the voltage and resistance of each terminal of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
4. CHECK A/C AMPLIFIER ASSEMBLY (A/C ECU)
a. Disconnect the A9 ECU connector.
b. Check the voltage and resistance of each terminal of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
5. CHECK COMBINATION METER