Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT MASS AIR FLOW METE
NOTICE:
- Perform the mass air flow (MAF) meter inspection by following the procedures below.
- Only replace the MAF meter when the MAF value in the DATA LIST (with the engine stopped) are not within the normal operating range or there is foreign matter on the MAF meter platinum hot wire (heater).
- Read the values using the intelligent tester (MAF).
NOTICE:
- Perform the inspection with the vehicle indoors and on a level surface.
- Perform the inspection of the MAF meter while it is installed to the air cleaner case (installed to the vehicle).
- During the test, do not use the exhaust air duct to perform suction on the exhaust pipe.
- Turn the ignition switch to the ON position (do not start the engine).
- Turn the tester on.
- Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / PRIMARY / PRIMARY / MAF.
- Wait 30 seconds, and read the values on the intelligent tester.
- Standard condition: Less than 0.70 g/s If the result is not as specified, replace the MAF meter.
- If the result is within the specified range, inspect the cause of the extremely rich or lean air fuel ratio.
Mass air flow meter
Components
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Removal
1. REMOVE MASS AIR FLOW METER
Disconnect the mass air flow meter connector.
Remove the 2 screws and mass air flow meter.
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Other materials:
CD cannot be Inserted / Played or CD is Ejected Right After Insertion
INSPECTION PROCEDURE
1 CHECK IF A PROPER CD IS INSERTED
Make sure that the CD is an audio CD or a CD with an
MP3 or WMA file, and that it is not deformed, flawed,
stained, burred, or otherwise defective.
OK:
Normal CD
HINT:
Translucent or uniquely-shaped CDs cannot be
playe ...
Removal
1. REMOVE REAR SEAT LEG SIDE GARNISH SUBASSEMBLY LH
Disengage the clips and remove the seat leg side
garnish.
2. REMOVE REAR NO. 2 SEAT ASSEMBLY LH
Remove the bolt and locus cable.
Remove the 2 bolts and seat.
Remove the 2 headrests.
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Bulb locations
Front
Vehicles without daytime running lights or with bulb type daytime
running lights
Headlight high beam and daytime
running lights (if equipped)
Headlight low beam
(halogen bulb)
Fog light (if equipped)
Front turn signal/parking and
front side marker lights
Vehic ...