Toyota Sienna Service Manual: Terminals of ecu
1. A/C AMPLIFIER
(a) Waveform 1: 
(b) Waveform 2: 
(c) Waveform 3: 
Parts location
HOW TO PROCEED WITH
TROUBLESHOOTING
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
(a) Confirm problem symptoms.
3 CHECK AND CLEAR DTCS
4 PROBLEM SYMPTOM CONFIRMATIO ...
Diagnosis system
1. CHECK DLC3
(a) The vehicle's ECM uses the ISO 15765-4 for
communication. The terminal arrangement of the
DLC3 complies with SAE J1962 and matches the
ISO 15765-4 format.
HINT:
Connect the ...
Other materials:
Cranking Holding Function Circuit
DESCRIPTION
The system detects the ignition switch's starting signal (STSW) and then
supplies current to the starter
until the ECM judges that the engine has started successfully. The purpose is to
reduce the holding time
of the ignition key.
WIRING DIAGRAM
Refer to DTC P0617 (See page ...
Power back door opener / closer switch
INSPECTION
1. INSPECT SATELLITE SWITCH
Inspect the resistance of the back door switch.
Resistance
If the result is not as specified, replace the switch.
Apply battery voltage and check whether the switch
illuminates.
Standard
HINT:
Whether the switch illuminates or not wi ...
Differential
SST
RECOMMENDED TOOLS
EQUIPMENT
LUBRICANT
SSM
...
