Toyota Sienna Service Manual: 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 FRONT WIPER ARM HEAD CAP (See page WW-4)
6. REMOVE FRONT WIPER ARM RH (See page WW-4)
7. REMOVE FRONT WIPER ARM LH (See page WW-4)
8. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY (See page WW-4)
9. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY (See page WW-4)
10. REMOVE NO. 1 COWL TOP TO COWL BRACE INNER (See page FU-13)
11. REMOVE COWL TOP PANEL SUB-ASSEMBLY OUTER FRONT (See page FU-13)
12. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY (See page WW-6)
13. INSTALL FRONT WIPER ARM LH (See page WW-6)
14. INSTALL FRONT WIPER ARM RH (See page WW-7)
Components
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Fuel pump
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Other materials:
DTC check / clear
NOTICE:
All the stored DTCs and freeze frame data are erased if:
the ECM is changed from normal mode to check mode
or vice versa; or 2) the ignition switch is turned from ON
to ACC or off while in check mode.
Before changing modes, always check and make a note
of any DTCs and fr ...
Inspection
1. INSPECT STEERING PAD SWITCH LH (w/o
Navigation System)
Measure the resistance according to the values in
the table below.
Standard resistan
If the result is not as specified, replace the steering
pad switch LH.
2. INSPECT STEERING PAD SWITCH RH (w/ Navigation
System)
...
Terminals of ECU
1. COMBINATION METER ASSEMBLY
*1: with Power Rear No. 2 Seat with Stowing Function
*2: with Theft Deterrent System
Waveform 1 (Reference) : Using an oscilloscope:
OK:
HINT:
As vehicle speed increases, the cycle of the signal
waveform narrows.
Wavefor ...
