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:
Bluetooth tel check mode
HINT:
Illustration may differ from the actual vehicle depending on
the device settings and options. Therefore, some detailed
area may not be shown exactly the same as on the actual
vehicle.
1. ENTER DIAGNOSTIC MODE
2. BLUETOOTH TEL CHECK
Select "Bluetooth TEL Check" fro ...
Insufficient Coolant Temperature for Closed
Loop Fuel Control
DTC P0125 Insufficient Coolant Temperature for Closed
Loop Fuel Control
DESCRIPTION
Refer to DTC P0115
DTC No.
DTC Detection Condition
Trouble Area
P0125
Engine coolant temperature (ECT) does not reach
closed-loop enabling temperature for 20 minutes (t ...
On-vehicle inspection
1. INSPECT THROTTLE BODY
Listen to the throttle control motor operating sounds.
Turn the ignition switch to the ON position.
When pressing the accelerator pedal position
sensor lever, listen to the running motor. Make
sure that no friction noise comes from the
motor.
...
