Toyota Sienna Service Manual: How to proceed with troubleshooting
The intelligent tester can be used in steps 4, 6, 8 and 9.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 PASSENGER AIRBAG ON/OFF INDICATOR CHECK
4 DTCs CHECK (Present and Past DTCs)
- Check for DTCs.
Result
5 DTCs CHART
6 CIRCUIT INSPECTION
7 REPAIR
8 CLEAR DTCs (Present and Past DTCs)
- Clear DTCs
9 DTCs CHECK (Present and Past DTCs)
- Check for DTCs.
Result
10 SYMPTOM SIMULATION
- Check the passenger airbag ON/OFF indicator condition.
Result
11 CONFIRMATION TEST
END
System description
1. DESCRIPTION OF OCCUPANT CLASSIFICATION SYSTEM
GENERAL DESCRIPTION.
In the occupant classification system, the
occupant classification ECU calculates the
weight of the occu ...
Initialization
1. ZERO POINT CALIBRATION
NOTICE:
Make sure that the front passenger seat is not
occupied before performing the operation.
HINT:
Perform the zero point calibration and sensitivity check if
any ...
Other materials:
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "Suspected Area" column
of the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace p ...
Removal
1. REMOVE TRANSFER CASE NO.1 PLUG (See page
TF-8)
2. REMOVE TRANSFER DRAIN PLUG
(a) Remove the transfer drain plug, drain gasket and
bleed transfer oil.
3. REMOVE EXHAUST PIPE ASSEMBLY
HINT:
(See page EX-8)
4. REMOVE PROPELLER WITH CENTER BEARING
SHAFT ASSEMBLY
HINT:
(See page PR-3)
5. R ...
DSP Error/ DSP Error
DTC 62-78 DSP Error
DTC 63-78 DSP Error
DESCRIPTION
INSPECTION PROCEDURE
HINT:
After the inspection is completed, clear the DTCs.
NOTICE:
These codes may be output even if there is no malfunction.
If these codes are output frequently, replace the radio receiver.
1 CLEA ...
