Toyota Sienna Service Manual: Terminals of ecu

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:

Perform zero point calibration of yaw rate and deceleration sensor (when using intelligent tester)
(a) Connect the intelligent tester to the DLC3. (b) Turn the ignition switch to the ON position. (c) Operate the intelligent tester to erase the codes (select "RESET MEMORY"). HINT: Refer to the intelligent tester operator's manual for further details. (d) Using the intell ...

Short to B+ in Rear Curtain Shield Squib LH Circuit
DTC B1638/86 Short to B+ in Rear Curtain Shield Squib LH Circuit DESCRIPTION The rear curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B ...

Data list / active test
1. READ DATA LIST HINT: Using the intelligent tester's DATA LIST allows switch, actuator and other item values to be read without removing any parts. Reading the DATA LIST early in troubleshooting is one way to save time.  Connect the intelligent tester with CAN VIM to the DLC3. &n ...