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:
Vehicle Speed Signal Circuit between Radio and Navigation Assembly
and Combination Meter
DESCRIPTION
The radio and navigation assembly receives a vehicle speed signal from the
combination meter and
information about the GPS antenna, and then adjusts vehicle position.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to
the combination meter. The sig ...
Seat Belt Buckle Switch LH Circuit Malfunction
DTC B0126/27 Seat Belt Buckle Switch LH Circuit Malfunction
DESCRIPTION
The seat belt buckle switch LH circuit consists of the center airbag sensor
assembly and the front seat
inner belt assembly LH.
DTC B0126/27 is recorded when a malfunction is detected in the seat belt buckle
switch LH ...
Open in CAN Main Bus Line
DESCRIPTION
There may be an open circuit in the CAN main bus wire and/or the DLC3 branch
wire when the resistance
between terminals 6 (CANH) and 14 (CANL) of the DLC3 is 69 Ω or higher.
Symptom
Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of t ...
