Toyota Sienna Service Manual: Tire pressure warning system
- Precaution
- Parts location
- System description
- How to proceed with troubleshooting
- Registration
- Initialization
- Test mode procedure
- Problem symptoms table
- Terminals of ecu
- Diagnosis system
- Dtc check / clear
- Data list / active test
- Diagnostic trouble code chart
Repair
1. INTRODUCTION
(a) This section introduces ways to determine whether
the run-flat tire is repairable or not. Repair must be
performed by following the appropriate procedures.
If a flat tire occ ...
Precaution
1. TIRE PRESSURE WARNING SYSTEM PRECAUTION
(a) When the tire pressure warning light comes on,
immediately check the tire pressure of the tire and
adjust it to the specified value. (The tire pre ...
Other materials:
System description
1. OUTLINE OF THEFT DETERRENT SYSTEM
When the theft deterrent system detects that the
vehicle is being tampered with, the system sets off
the alarm, causing the horns to sound and the lights
to light up or blink in order to alert people around the
vehicle to the theft.
The ...
Security Horn Circuit
DESCRIPTION
During the alarm sounding state, the relay in the ECU turns on and off in a
cycle of approximately 0.2
seconds, causing the security horn to sound.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT SECURITY HORN ASSEMBLY
Disconnect the T1 security horn connector.
C ...
Diagnosis system
1. DESCRIPTION
When troubleshooting OBD II (On-Board
Diagnostics) vehicles, an intelligent tester
(complying with SAE J1987) must be connected to
the DLC3 (Data Link Connector 3) of the vehicle.
Various data in the vehicle's ECM (Engine Control
Module) can be then read.
& ...
