Toyota Sienna Service Manual: Inspection
1. INSPECT MASS AIR FLOW METER
- Visually check for any foreign matter on the
platinum hot wire (heater) of the mass air flow
meter.
OK: There is no foreign matter.
If the result is not as specified, replace the mass air flow meter.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
Removal
1. REMOVE MASS AIR FLOW METER
Disconnect the mass air flow meter connector.
Remove the 2 screws and mass air flow meter.
...
Installation
1. REMOVE MASS AIR FLOW METER
Install the mass air flow meter with the 2 screws.
Connect the mass air flow meter connector.
...
Other materials:
Installation
1. INSTALL ENGINE OIL COOLER
(a) Clean the oil cooler contact surface on the cooler
mounting.
(b) Install a new O-ring to the oil cooler.
(c) Install the oil cooler assembly with the union bolt.
Torque: 68 N*m (693 kgf*cm, 50 ft.*lbf)
Install the 2 water by-pass hoses with the bolt ...
Air-fuel ratio (a/f) and heated oxygen (ho2)
sensor heater monitors (front a/f and rear ho2 sensor
type)
(a) Preconditions
The monitor will not run unless:
The MIL is OFF.
(b) Drive Pattern
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Clear the DTCs.
(4) Start the engine.
(5) Allow the engine to idle for 10 minutes or more.
...
Master Error
DTC 01-DF Master Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
01-DF
*1
The device with a display fails and the master is
switched to the audio device.
Also when a communication error between sub-master
(audio) and master occu ...
