Toyota Sienna Service Manual: Sfi system
- Precaution
- Definition of terms
- System diagram
- How to proceed with troubleshooting
- Check for intermittent problems
- Basic inspection
- Registration
- Checking monitor status
- Readiness monitor drive pattern
- Problem symptoms table
- Terminals of ecm
- Diagnosis system
- Dtc check / clear
- Freeze frame data
- Check mode procedure
- Data list / active test
- Diagnostic trouble code chart
- Сamshaft timing oil control valve assembly
- Throttle body
- ECM
- Accelerator pedal rod
- Mass air flow meter
- Vvt sensor
Precaution
1. INITIALIZATION
NOTICE:
Perform RESET MEMORY (AT initialization) when
replacing the automatic transaxle assembly, engine
assembly or ECM (See page AX-16).
Perform REGISTRATIO ...
Other materials:
Inspection
1. INSPECT RUNOUT OF DIFFERENTIAL RING GEAR
(a) Using a dial gauge , check the runout of the ring
gear.
Maximum runout:
0.07 mm (0.0028 in.)
If the runout is greater than the maximum, replace
the ring gear with a new one.
2. INSPECT DIFFERENTIAL RING GEAR BACKLASH
(a) Using a dial gauge, ...
Rear Clearance Sonar Sensor LH Circuit
DESCRIPTION
An ultrasonic sensor consists of a sensor portion that transmits and receives
ultrasonic waves and a preamplifier
that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and
sends the received
signals to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PR ...
Camshaft Position Sensor "B" Circuit
DESCRIPTION
The exhaust camshaft's Variable Valve Timing (VVT) sensor consists of a
magnet and MRE (Magneto
Resistance Element).
The exhaust camshaft has a sensor plate with 3 teeth on its outer circumference.
When the exhaust camshaft rotates, changes occur in the air gaps between the ...
