Toyota Sienna Service Manual: Terminals of ECU
1. OCCUPANT CLASSIFICATION ECU
Problem symptoms table
HINT:
Proceed to the troubleshooting for each circuit in the table
below.
Occupant Classification System
Symptom
Suspected area
The front passenger seat condition differ ...
Diagnosis system
1. CHECK DLC3
The ECU uses ISO 15765-4 for communication.
The terminal arrangement of the DLC3 complies
with SAE J1962 and meets the ISO 15765-4 format.
NOTICE:
*: Before measuri ...
Other materials:
Using a flatbed truck
If you use chains or cables to tie
down your vehicle, the angles
shaded in black must be 45.
Do not overly tighten the tie
downs or the vehicle may be damaged.
WARNINGObserve the following precautions.
Failure to do so may result in death or serious injury.
When tow ...
Removal
1. REMOVE NO. 1 ENGINE UNDER COVER (See page
EM-26)
2. REMOVE EXHAUST PIPE ASSEMBLY
for 2WD:(See page EX-2)
for 4WD:(See page EX-8)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. DRAIN ENGINE OIL (See page LU-4)
5. REMOVE NO. 2 MANIFOLD STAY (See page EM-39)
6. REMOVE NO. 2 EXHAUST MANIFOLD HEAT ...
Road test
1. PROBLEM SYMPTOM CONFIRMATION
(a) Based on the result of the customer problem
analysis, try to reproduce the symptoms. If the
problem is that the transaxle does not shift up, shift
down, or the shift point is too high or too low,
conduct the following road test referring to the
automatic shi ...
