Toyota Sienna Service Manual: 2GR-FE Engine control system
- SFI system
- Precaution
- Definition of terms
- 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
- Fail-safe chart
- Data list / active test
- Diagnostic trouble code chart
- Camshaft timing oil control valve assembly
- Throttle body
- ECM
- Accelerator pedal rod
- Mass air flow meter
- VVT sensor
- Engine coolant temperature sensor
- Knock sensor
- EFI relay
- Circuit opening relay
- Air fuel ratio sensor relay
Inspection
1. INSPECT GARAGE DOOR OPENER
Press the switch and check that each red LED turns
on. If one or more of the switches does not turn on
the LED, confirm normal operation of the fuse and ...
SFI system
...
Other materials:
VC Output Circuit
DESCRIPTION
The ECM constantly uses 5 V from the battery voltages supplied to the +B (BATT)
terminal to operate the
microprocessor. The ECM also provides this power to the sensors through the VC
output circuit.
When the VC circuit is short-circuited, the microprocessor in the ECM and
sens ...
Radio Receiver Communication Error
INSPECTION PROCEDURE
1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE
Enter the diagnostic mode
Press the preset switch "3" to change to "Detailed
Information Mode".
Identify the component shown by the sub-code.
HINT:
"190 (radio receiver) ...
ECM / PCM Internal Engine Off Timer Performance
DTC SUMMARY
DESCRIPTION
To ensure the accuracy of the EVAP (Evaporative Emission) monitor values, the
soak timer, which is built
into the ECM, measures 5 hours (+/- 15 minutes) from when the ignition switch is
turned off, before the
monitor is run. This allows the fuel to cool down, whic ...
