Toyota Sienna Service Manual: Lighting system
- Precaution
- Parts location
- How to proceed with troubleshooting
- Operation check
- Problem symptoms table
- Terminals of ECU
- DTC check / clear
- Data list / active test
- Diagnostic trouble code chart
Lighting
...
Precaution
1. PRECAUTION OF HEADLIGHT BULB
REPLACEMENT
When any defects such as deformation, crack, dent,
chipping, etc. are identified on the discharge
headlight (especially, on the light control ...
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 ...
Throttle Actuator Control Motor Current Range / Performance
DESCRIPTION
The ETCS (Electronic Throttle Control System) has a dedicated power supply
circuit. The voltage (+BM)
is monitored and when it is low (less than 4 V), the ECM determines that there
is a malfunction in the
ETCS and cuts off the current to the throttle actuator.
When the volt ...
Slide door lock release motor
Inspection
1. INSPECT SLIDE DOOR LOCK RELEASE MOTOR ASSEMBLY LH
Apply battery voltage and inspect operation of the
motor.
OK
If the result is not as specified, replace the motor
assembly.
2. INSPECT SLIDE DOOR LOCK RELEASE MOTOR ASSEMBLY RH
Apply battery voltage and insp ...
