FixVault

Ignition System Service: Data: 2ZZ-GE:

WARNING: This page is about a different car, the 2005 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
Spark Plug Specifications ( 2ZZ-GE)

Spark plug  
Recommended spark plug DENSO made SK20R11
  NGK made IFR6A11
Electrode gap 1.0 to 1.3 mm (0.039 to 0.051 in.)
Camshft position sensor  
Resistance at cold 835 to 1,400 Ω
  at hot 1,060 to 1,645 Ω
Crankshaft position sensor  
Resistance at cold 1,630 to 2,740 Ω
  at hot 2,065 to 3,225 Ω
Ignition relay Standard 10 kΩ or higher
Resistance (3 -- 5) Below 1 Ω (Apply battery voltage to terminals 1 and 2)