1UR-FE ENGINE CONTROL SYSTEM > SERVICE DATA



Manifold absolute pressure sensor:

Tester Connection
Condition
Specified Condition
4 (THA) - 2 (E2)
-20°C (-4°F)
14.6 k to 17.8 kΩ
20°C (68°F)
2.21 k to 2.69 kΩ
60°C (140°F)
0.29 k to 0.354 kΩ

MAF meter:

Tester Connection
Condition
Specified Condition
4 (THA) - 2 (E2G)
-20°C (-4°F)
12.5 k to 16.9 kΩ
20°C (68°F)
2.19 k to 2.67 kΩ
60°C (140°F)
0.50 k to 0.68 kΩ

Camshaft timing oil control valve:

Tester Connection
Condition
Specified Condition
1 - 2
20°C (68°F)
6.9 to 7.9 Ω

Engine coolant temperature sensor:

Tester Connection
Condition
Specified Condition
1 - 2
Approx. 20°C (68°F)
2.32 k to 2.59 kΩ
Approx. 80°C (176°F)
0.310 k to 0.326 kΩ

Throttle body:

Tester Connection
Condition
Specified Condition
1 (M-) - 2 (M+)
20°C (68°F)
0.3 to 100 Ω

Knock sensor:

Tester Connection
Condition
Specified Condition
1 - 2
20°C (68°F)
120 to 280 kΩ

Ignition relay No. 2:

Tester Connection
Condition
Specified Condition
IG2 MAIN fuse
Always
Below 1 Ω
1C-1 - 1B-8
When battery voltage is not applied to terminals 1B-6 and 1B-7
10 kΩ or higher
When battery voltage is applied to terminals 1B- 6 and 1B-7
Below 1 Ω

EFI relay:

Tester Connection
Condition
Specified Condition
EFI No. 1 fuse
Always
Below 1 Ω
1C-1 - 1B-4
1C-1 - 1B-5
When battery voltage is not applied to terminals 1B-2 and 1B-3)
10 kΩ or higher
When battery voltage is applied to terminals 1B- 2 and 1B-3)
Below 1 Ω

Fuel pump relay:

Tester Connection
Condition
Specified Condition
3 - 5
When battery voltage is not applied to terminals 1 and 2
10 kΩ or higher
When battery voltage is applied to terminals 1 and 2
Below 1 Ω

Air fuel ration sensor (for Bank 1 sensor 1):

Tester Connection
Condition
Specified Condition
1 (HA1A) - 2 (+B)
20°C (68°F)
1.8 to 3.4 Ω

Air fuel ration sensor (for Bank 2 sensor 1):

Tester Connection
Condition
Specified Condition
1 (HA2A) - 2 (+B)
20°C (68°F)
1.8 to 3.4 Ω

Heated oxygen sensor (for Bank 1 sensor 2):

Tester Connection
Condition
Specified Condition
1 (HT1B) - 2 (+B)
20°C (68°F)
11 to 16 Ω

Heated oxygen sensor (for Bank 2 sensor 2):

Tester Connection
Condition
Specified Condition
1 (HT2B) - 2 (+B)
20°C (68°F)
11 to 16 Ω

A/F sensor heater relay:

Tester Connection
Condition
Specified Condition
A/F fuse
Always
Below 1 Ω
1C-1 - 1A-4
When battery voltage is not applied to terminals 1A-2 and 1A-3
10 kΩ or higher
When battery voltage is applied to terminals 1A- 2 and 1A-3
Below 1 Ω