LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Corolla Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Service Specifications) (2ZR-FE) >> 2ZR-FE Engine Control >> Service Data >> Service Data
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Service Data

Spark plug Recommended spark plug SC20HR11 DENSO made
Standard Resistance 10 MΩ or more
Electrode gap 1.0 to 1.1 mm (0.0394 to 0.0433 in.)
Maximum electrode gap 1.3 mm (0.0512 in.) for used plug
Camshaft timing oil control valve 1 - 2 Resistance:
6.9 to 7.9 Ω at 20°C (68°F)
Throttle body 1 (M-) - 2 (M+) Resistance:
0.3 to 100 Ω at 20°C (68°F)
Accelerator pedal Accelerator position No. 1 standard voltage Accelerator pedal is released 0.5 to 1.1 V
Accelerator pedal is depressed 2.6 to 4.5 V
Accelerator position No. 2 standard voltage Accelerator pedal is released 1.2 to 2.0 V
Accelerator pedal is depressed 3.4 to 5.0 V
Mass air flow meter Engine not running
30 seconds after ignition switch is turned to ON
Less than 0.26 g/sec.
1 (THA) - 2 (E2) Resistance:
13.6 to 18.4 kΩ at -20°C (-4°F)
2.21 to 2.69 kΩ at 20°C (68°F)
0.49 to 0.67 kΩ at 60°C (140°F)
Crankshaft position sensor 1 - 2 Resistance:
1630 to 2740 Ω at -10 to 50°C (14 to 122°F)
2065 to 3225 Ω at 50 to 100°C (122 to 212°F)
Engine coolant temperature sensor 1 - 2 Resistance:
2.32 to 2.59 kΩ at 20°C (68°F)
0.310 to 0.326 kΩ at 80°C (176°F)
Knock sensor 1 - 2 Resistance:
120 to 280 kΩ
Always
Air fuel ratio sensor 1 (HA1A) - 2 (+B) Resistance:
1.6 to 3.2 Ω at 20°C (68°F)
1 (HA1A) - 4 (A1A-) Resistance:
10 kΩ or higher
Heated oxygen sensor (HT1B) - (+B) Resistance:
11 to 16 Ω at 20°C (68°F)
(HT1B) - (E2) Resistance:
10 kΩ or higher
Integration relay
(EFI MAIN RELAY)
1E-1 - 1B-4 Resistance:
10 kΩ or higher
(Battery voltage is not applied between terminals 1B-3 and 1B-2)
Resistance:
Below 1 Ω
(Battery voltage is applied between terminals 1B-3 and 1B-2)
Integration relay
(IG2 RELAY)
1E-1 - 1A-4 Resistance:
10 kΩ or higher
(Battery voltage is not applied between terminals 1A-2 and 1A-3)
Resistance:
Below 1 Ω
(Battery voltage is applied between terminals 1A-2 and 1A-3)
Integration relay
(HORN RELAY)
1E-1 - 1A-8 Resistance:
10 kΩ or higher
(Battery voltage is not applied between terminals 1A-6 and 1A-7)
Resistance:
Below 1 Ω
(Battery voltage is applied between terminals 1A-6 and 1A-7)
Circuit opening relay 2A-8 - 2B-11 Resistance:
10 kΩ or higher
(Battery voltage is not applied between terminals 2B-10 and 2B-9)
Resistance:
Below 1 Ω
(Battery voltage is applied between terminals 2B-10 and 2B-9)