Toyota Sienna Service Manual: Installation
1. INSTALL SEAT MEMORY SWITCH
2. INSTALL FRONT DOOR TRIM BOARD SUBASSEMBLY LH
3. INSTALL POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
4. INSTALL FRONT DOOR INSIDE HANDLE BEZEL PLUG LH
5. INSTALL FRONT DOOR LOWER FRAME BRACKET GARNISH LH
- Engage the 4 claws to install the seat memory switch.
Inspection
1. INSPECT SEAT MEMORY SWITCH
Measure the resistance according to the value(s) in
the table below.
Standard resistance
If the result is not as specified, replace the switch. ...
Power seat switch
Inspection
1. INSPECT FRONT POWER SEAT SWITCH
Inspect the driver side power seat switch.
Measure the resistance according to the
value(s) in the table below.
Standard resista ...
Other materials:
ECM Communication Circuit Malfunction
DTC C1203/53 ECM Communication Circuit Malfunction
DESCRIPTION
The circuit is used to send TRAC and VSC control information from the skid
control ECU to the ECM, and
engine control information from the ECM to the skid control ECU through the CAN
communication
system.
INSPECTION PROCEDURE
1 ...
ECM / PCM Processor
DESCRIPTION
The ECM continuously monitors its internal processors (CPUs), A/F sensor
transistors and heated oxygen
sensor (HO2S) transistors. This self-check ensures that the ECM is functioning
properly. These are
diagnosed by internal "mirroring" of the main and sub CPUs to det ...
Evaporator temperature sensor circuit
DESCRIPTION
The evaporator temperature sensor (A/C thermistor) is installed on the
evaporator in the air conditioning
unit. It detects the temperature of the cooled air that has passed through the
evaporator and its signal is
used to control the air conditioning. It sends a signal to the A/C ...
