Toyota Sienna Service Manual: Fuel pump

Removal

1. DISCHARGE FUEL SYSTEM PRESSURE HINT: See page FU-1. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 3. REMOVE NO. 1 ENGINE UNDER COVER 4. DRAIN ENGINE COOLANT (See page CO-6) 5. REMOVE FR ...

Components

...

Other materials:

Terminals of ECU
1. CHECK OUTER MIRROR CONTROL ECU LH Disconnect the O9 and O10 connectors. Measure the voltage and resistance according to the value(s) in the table below. Voltage Resistance If the result is not as specified, there may be a malfunction on the wire harness side.  Recon ...

TC and CG Terminal Circuit
DESCRIPTION DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are indicated by blinks of the tire pressure warning light. WIRING DIAGRAM HINT: When each warning light blinks continuously, a ground short in the wiring of terminal TC of the DLC3 or an ...

ECU Power Source Circuit
DESCRIPTION The position control ECU and switch assembly (power seat control switch and ECU) is contained in the switch assembly. During manual operation, only one switch signal is accepted. If signals are input from 2 or more switches simultaneously, all of them are ignored, except when s ...