Toyota Sienna Service Manual: Installation
1. INSTALL TIRE PRESSURE WARNING ECU
(a) Connect the connector to the tire pressure warning ECU.
(b) Install the tire pressure warning ECU with the screw.
2. INSTALL INSTRUMENT PANEL SAFETY PAD SUBASSEMBLY
HINT: Refer to the instructions for INSTALLATION of the instrument panel safety pad (See page IP-14)
3. CONNECT CABLE TO BATTERY NEGATIVE TERMINAL
4. REGISTER TRANSMITTER ID
HINT: See page TW-20.
5. INSPECT TIRE PRESSURE WARNING SYSTEM
HINT: See page TW-25.
6. INITIALIZE SYSTEM
NOTICE:
- Be sure to register the transmitter IDs of all tires in the ECU before initialization.
- Be sure to inflate all tires to the proper inflation pressure before initialization.
HINT: See page TW-23.
Removal
NOTICE:
Before removing the tire pressure warning ECU, read the
registered transmitter IDs of all wheels and write them
down to use for re-registration of transmitter IDs (See
page TW-20).
1. DIS ...
Tire pressure warning reset switch
COMPONENTS
...
Other materials:
Adjustment
CAUTION:
Do not stare at the luminous portion of the laser
during adjustment. The intensity of the laser light is
low, but it may result in loss of sight.
If operation is not carried out as specified, there may
be a risk that you are exposed to hazardous radiation.
HINT:
...
Communication Error from ECM to VSC
DTC P1631 Communication Error from ECM to VSC
DTC U0100 Lost Communication with ECM/PCM "A"
DESCRIPTION
The ECM sends signals such as A/T information signals, dynamic laser cruise
control operation signals,
brake operation demand signals, and buzzer operation demand signals to the sk ...
Symptom confirmation and diagnostic trouble code
HINT:
The diagnostic system in the SIENNA has various
functions.
The first function is the Diagnostic Trouble Code
(DTC) check. A DTC is a code stored in the ECU
memory whenever a malfunction in the signal circuits
to the ECU occurs. In a DTC check, a previous
malfunction's DTC can be ...
