Toyota Sienna Service Manual: Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. DRAIN ENGINE COOLANT 3. REMOVE FRONT WIPER ARM HEAD CAP (See page WW-4) 4. REMOVE FRONT WIPER ARM RH (See page WW-4) 5. REMOVE FRONT WIPER ARM LH (See page WW-4) 6. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY (See page WW-4) 7. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY (See page WW-4) 8. REMOVE NO. 1 COWL TOP TO COWL BRACE INNER (See page FU-13) 9. REMOVE COWL TOP PANEL SUB-ASSEMBLY OUTER FRONT (See page FU-13) 10. REMOVE NO. 1 ENGINE UNDER COVER 11. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 12. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See page FU-13) 13. REMOVE INTAKE AIR SURGE TANK ASSEMBLY (See page FU-14) 14. REMOVE NO. 1 SURGE TANK STAY
(a) Remove the 2 bolts and nut and disconnect the 2 harness clamps.
(b) Remove the bolt and No. 1 surge tank stay.
15. REMOVE IGNITION COIL ASSEMBLY
(a) Disconnect the 6 ignition coil connectors.
(b) Remove the 6 bolts and 6 ignition coils.
16. REMOVE SPARK PLUG
(a) Remove the 6 spark plugs.
On-vehicle inspection
NOTICE:
In this section, the terms "cold" and "hot" refer to the
temperature of the coils. "Cold" means approximately -
10°C (14°F) to 50°C (122°F). & ...
Installation
1. INSTALL SPARK PLUG
(a) Install the 6 spark plugs.
Torque: 18 N*m (183 kgf*cm, 13 ft.*lbf)
2. INSTALL IGNITION COIL ASSEMBLY
(a) Install the 6 ignition coils with the 6 bolts.
Torqu ...
Other materials:
Navigation Voice Circuit
DESCRIPTION
This circuit is used when the voice guidance in the navigation system is on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STEREO
COMPONENT AMPLIFIER)
Disconnect the radio and navigation assembly connector
R13 and s ...
Identification of noise source
1. Radio Description
Radio frequency band
Radio broadcasts use the radio frequency bands
shown in the table below
Service area
The service areas of AM and FM broadcasts are
vastly different. Sometimes an AM broadcast
can be received very clearly but an FM st ...
Short to B+ in Door System Communication
Bus Malfunction/ Short to GND in Door System Communication
Bus Malfunction
DTC B1214 Short to B+ in Door System Communication
Bus Malfunction
DTC B1215 Short to GND in Door System Communication
Bus Malfunction
DESCRIPTION
DTCs B1214 and B1215 are output when a short to +B or the body ground occurs
on the communication
bus. Detecting this condition disables all the ...
