Toyota Sienna Service Manual: Terminals of ECM

Problem symptoms table

HINT:  Use the table below to help determine the cause of the problem symptom. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Re ...

Diagnosis system

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

Other materials:

Inspection
1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY  Resistance inspection  Using an ohmmeter, measure the resistance between the terminals. Resistance: 6.9 to 7.9 Ω at 20C (68F) If necessary, replace the camshaft timing oil control valve assembly. &nbs ...

Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (See page AC-172) 2. REMOVE FRONT WIPER ARM HEAD CAP (See page WW-4) 3. REMOVE FRONT WIPER ARM RH (See page WW-4) 4. REMOVE FRONT WIPER ARM LH (See page WW-4) 5. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY (See page WW-4) 6. REMOVE WINDSHIEL ...

Roof luggage carrier (if equipped)
Roof luggage carrier components Roof rails Cross rails Adjusting the position of cross rails Turn the knobs counterclockwise to release the cross rails. Slide the cross rails to the appropriate position for loading luggage and turn the knobs clockwise to tigh ...