HINT: EC mirror stands for electrochromic mirror.
1. w/ EC mirror: INSPECT INNER REAR VIEW MIRROR ASSY

(a) Inspect operation of the electrochromic inner rear view mirror.
If the result is not as specified, replace the mirror assy.
Pre-checkKnock sensor (2AZ-FE)
REPLACEMENT
1. DRAIN ENGINE COOLANT (See page 16-6 )
2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE (See page 14-24 )
3. REMOVE THROTTLE BODY ASSY (See page 10-6 )
4. REMOVE INTAKE MANIFOLD
(a) Remove the 5 bolts, 2 nuts, intake manifold and gasket.
5. REMOVE KNOCK SENSOR
(a) Disconn ...