Toyota Sienna Service Manual: On-vehicle inspection
1. CHECK POWER MIRROR SWITCH OPERATION
- Remote control
The mirror adjust switch can control the adjustment axis of the mirror surface. - Reverse-linked
This function tilts the mirror surface downward to improve the visibility when driving in reverse, provided that all the conditions given below have been met.
- Ignition switch to the on position.
- Shift lever is moved to "R".
2. CHECK MEMORY SWITCH OPERATION
- Memory Memorizes the positions when all conditions below have been met and the 1 or 2 button is pushed while the "SET" button is pushed.
- Ignition switch to the on position.
- Shift position is P.
When the memory setting is completed, the buzzer will sound for 0.5 seconds.
- Recall
If the button 1 or 2 is pressed when all conditions have been met, it recalls the positions.
- Ignition switch to the on position.
- Shift position is P.
If the button 1 or 2 is pressed when all conditions have been met and within 30 seconds, it recalls the positions.
- Ignition switch to the on position.
- Driver door is opened.
- Door Mirror Foot Light Circuit
- Mirror Switch Circuit
- Mirror Motor Circuit
- Position Sensor Circuit
- Memory Switch Circuit
- Power Source Circuit
Data list / active test
1. USING INTELLIGENT TESTER
Connect the intelligent tester to the DLC3.
Monitor the ECU data by following the prompts on
the tester screen.
HINT:
The intelligent tester has a & ...
Door Mirror Foot Light Circuit
DESCRIPTION
When the outer mirror control ECU receives the signal(s) from the body ECU
through BEAN
communication, it illuminates the foot light. The foot light is installed on the
bottom of the ...
Other materials:
Occupant Classification ECU Malfunction
DTC B1795 Occupant Classification ECU Malfunction
DESCRIPTION
DTC B1795 is recorded when a malfunction is detected in the occupant
classification ECU.
Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output
simultaneously.
DTC No.
DTC Detecting Condition
...
Lost Communication with Steering Angle Sensor
Module
DTC U0126 Lost Communication with Steering Angle Sensor
Module
DESCRIPTION
This circuit detects the angle and direction of the steering wheel and
automatically transmits a signal to
the skid control ECU and distance control ECU.
DTC No.
DTC Detection Condition
Trouble ...
Air conditioning pressure sensor
ON-VEHICLE INSPECTION
1. INSPECT A/C PRESSURE SENSOR
(a) Install the manifold gauge set.
(b) Disconnect the connector from the A/C pressure
sensor.
(c) Connect the three 1.5 V dry cell batteries' positive
(+) lead to terminal 3 and the negative (-) lead to
terminal 1.
(d) Connect t ...
