Toyota Sienna Service Manual: Terminals of ECU

Problem symptoms table

HINT: Proceed to the troubleshooting for each circuit in the table below. AIRBAG SYSTEM Symptom Suspected Area The SRS warning light goes off after the primary check, ...

Diagnosis system

1. CHECK DLC3  The ECU uses ISO 15765-4 for communication. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before mea ...

Other materials:

Engine front oil seal
COMPONENTS REMOVAL 1. REMOVE FRONT WHEEL RH 2. REMOVE FRONT FENDER APRON SEAL RH (See page EM-26) 3. REMOVE V-RIBBED BELT (See page EM-6) 4. REMOVE CRANKSHAFT PULLEY (a) Using SST, loosen the crankshaft pulley bolt. SST 09213-70011 (09213-70020), 09330-00021 (b) Using SST, remove ...

Data list / active test
HINT: By accessing the DATA LIST displayed by the intelligent tester, you can perform such functions as reading the values of switches and sensors without removing any parts. Reading the DATA LIST as the first step in troubleshooting is one method to shorten labor time. 1. DATA LIST FOR OCCUPA ...

Precaution
1. SRS AIRBAG SYSTEM HANDLING PRECAUTIONS This vehicle is equipped with an SRS (Supplemental Restraint System) such as the driver airbag and front passenger airbag. Failure to carry out service operations in the correct sequence could cause unexpected SRS deployment during servicing an ...