Toyota Sienna Service Manual: Problem symptoms table
HINT: When a malfunction is not confirmed by a DTC (Diagnostic Trouble Code) check and the cause of problem cannot be identified through a basic inspection, troubleshoot according to the priority order indicated in the table below.
SFI SYSTEM
Readiness monitor drive
pattern
1. PURPOSE OF READINESS TESTS
The On-Board Diagnostic (OBD II) system is
designed to monitor the performance of emissionrelated
components, and indicate any detected
abnormalities with ...
Terminals of ECM
1. SFI SYSTEM
HINT:
The standard normal voltage between each pair of the
ECM terminals is shown in the table below. The
appropriate conditions for checking each pair of the
terminals are also i ...
Other materials:
Air Intake Control Circuit
DESCRIPTION
The air cleaner is equipped with two inlets, one of which is opened or closed
by the Air Intake Control
Valve (AICV). This system reduces intake noise and increases engine power at
low-to-high engine speed
range.
When the engine is operating in the low-to-mid speed range, this ...
Back Door Closer does not Operate
DESCRIPTION
The power back door ECU controls the back door closer system. In response to
the signals output from
the switches related to the back door lock, the back door latch activates the
closer motor.
HINT:
The back door closer system operates regardless of whether the power back door
...
Customize parameters
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by the
customer are applicable or not for customization,
perform the customize operation.
Be sure to record the current settings before
customizing.
When troubleshooting, make sure that ...
