2TR-FE EMISSION CONTROL SERVICE DATA

Air pump assembly:
Connection Specified Condition

AI System Operation ON

(soon after the cold engine starts)

 10 to 40 A

AI System Operation OFF

(engine is idling)

 Below 1 A
1 (APH+) - 3 (APH-) 3.6 to 17.6 Ω at -20°C (-4°F)
3.4 to 16.5 Ω at -10°C (14°F)
3.1 to 15.4 Ω at 0°C (32°F)
2.8 to 14.3 Ω at 10°C (50°F)
2.7 to 13.2 Ω at 20°C (68°F)
Air switching valve:
Tester Connection Specified Condition
1-2 4.5 to 5.5 Ω at 20°C (68°F)
Vacuum switching valve:
Tester Connection Specified Condition
1-2 26 to 30 Ω at 20°C (68°F)
1 - Body ground 10 MΩ or higher
2 - Body ground
Air fuel ratio sensor:
Tester Connection Specified Condition
1 (HA1A) - 2 (+B) w/o Dual VVT-i 1.8 to 3.4 Ω at 20°C (68°F)
w/ Dual VVT-i 1.6 to 3.2 Ω at 20°C (68°F)
1 (HA1A) - 4 (A1A-) 10 kΩ or higher
Heated oxygen sensor:
Tester Connection Specified Condition
1 (HT1B) - 2 (+B)

w/o Dual VVT-i

w/ Secondary Air Injection System

 11 to 16 Ω at 20°C (68°F)
1 (HT1A) - 2 (+B)

w/o Dual VVT-i

w/o Secondary Air Injection System

 11 to 16 Ω at 20°C (68°F)
1 (HT1B) - 2 (+B) w/ Dual VVT-i 5.9 to 7.3 Ω at 20°C (68°F)
1 (HT1B) - 4 (E1) w/ Secondary Air Injection System 10 kΩ or higher
1 (HT1B) - 4 (E1) w/ Dual VVT-i 10 kΩ or higher
1 (HT1A) - 4 (E1) w/o Secondary Air Injection System 10 kΩ or higher