Toyota Sienna Service Manual: Occupant classification system
- Precaution
- System description
- How to proceed with troubleshooting
- Initialization
- Problem symptoms table
- Terminals of ECU
- Diagnosis system
- DTC check / clear
- Data list / active test
- Diagnostic trouble code chart
Diagnosis Circuit
DESCRIPTION
DTC output mode is set by connecting terminals TC and CG of the DLC3.
DTCs are displayed by blinking the SRS warning light.
HINT:
When each warning light stays blinking, a g ...
Precaution
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED
IN ACCIDENT
Perform the zero point calibration and sensitivity
check if any of the following conditions occur.
The occupant classi ...
Other materials:
Removal
1. REMOVE INSTRUMENT CLUSTER FINISH PANEL
CENTER NO.1 (See page IP-8)
2. REMOVE INSTRUMENT CLUSTER FINISH PANEL
CENTER NO.2
3. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY
HINT:
(See page AX-146 for U151E, AX-146 for U151F)
4. REMOVE INSTRUMENT CLUSTER FINISH PANEL
ASSEMBLY CENTER (See page IP-9)
5 ...
Diagnostic trouble code chart
1. DTCS FOR AIRBAG SYSTEM
If a malfunction code is displayed during the DTC check,
check the circuit listed for the code in the table below
(Proceed to the page listed for that circuit).
HINT:
When the SRS warning light remains on and the DTC
output is the normal system code, a volta ...
Air-fuel ratio (a/f) and heated oxygen (ho2)
sensor heater monitors (front a/f and rear ho2 sensor
type)
(a) Preconditions
The monitor will not run unless:
The MIL is OFF.
(b) Drive Pattern
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Clear the DTCs.
(4) Start the engine.
(5) Allow the engine to idle for 10 minutes or more.
...
