Toyota Sienna Service Manual: Terminals of ECU
1. Instrument Panel Junction Block Assembly
Problem symptoms table
HINT:
Proceed to troubleshooting of each circuit in the table below.
1. HEADLIGHT AND TAIL LIGHT SYSTEM
2. AUTOMATIC LIGHT CONTROL SYSTEM
3. LIGHT AUTO TURN OFF SYSTEM
4. FOG LIGHT SY ...
DTC check / clear
1. USING INTELLIGENT TESTER
Hook up the intelligent tester to the DLC3.
Monitor the ECU data by following the prompts on
the tester screen.
HINT:
intelligent tester has "S ...
Other materials:
On-vehicle inspection
1. INSPECT DRIVE BELT
(a) Visually check the drive belt for excessive wear,
frayed cords, etc.
If any defect is found, replace the drive belt.
HINT:
Cracks on the rib side of a belt are considered
acceptable. Replace the belt if there are any
missing ribs.
2. CHECK POWER STEERING FLUID ...
Yaw Rate Sensor Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Yaw Rate Sensor
Communication Stop
Mode
"Yaw rate/ Deceleration sensor" is not displayed on
the "Communication Bus Check" screen of the
intelligent tester
Applies to & ...
High Temperature
DTC 44-47 High Temperature
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
44-47
Sensor detects that DVD unit temperature is high.
(Over 80C)
Television display assembly
INSPECTION PROCEDURE
HINT:
After the inspection is completed, ...
