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.
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 ...
Terminals of ecm
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 indi ...
Other materials:
Engine Coolant Temperature Circuit
DESCRIPTION
A thermistor is built into the Engine Coolant Temperature (ECT) sensor, of
which the resistance value
varies according to the ECT.
The structure of the sensor and its connection to the ECM are the same as those
of the Intake Air
Temperature (IAT) sensor.
HINT:
When any ...
Removal
1. REMOVE FRONT DOOR OPENING TRIM
WEATHERSTRIP LH
2. REMOVE FRONT DOOR OPENING TRIM
WEATHERSTRIP RH
3. REMOVE FRONT PILLAR GARNISH LH
4. REMOVE FRONT PILLAR GARNISH RH
5. REMOVE VISOR ASSEMBLY LH
6. REMOVE VISOR ASSEMBLY RH
7. REMOVE ASSIST GRIP SUB-ASSEMBLY (2)
8. REMOVE VISOR HOLDER (1)
...
Disassembly
1. REMOVE RH SEAT REAR SEAT RECLINING COVER
Remove the 2 screws.
Remove the RH seat rear seat reclining cover by
pulling it out in the arrow mark direction shown in
the illustration.
2. REMOVE LH SEAT REAR SEAT RECLINING COVER
Remove the 2 screws.
R ...
