IG KEY "OFF".
Disconnect IATS connector.
Measure resistance between Pin No.3(Signal) terminal and Pin No.4(Ground) terminal of the IATS.(Component Side)
Fig.1) 'Zero Set' Function
Specification : Approx. 1.5 kΩ at 18.8°C(65.8 °F)
Temperature[℃(℉)] | Resistance[kΩ] | Temperature[℃(℉)] | Resistance[kΩ] |
-40(-40) | 40.93~48.35 | 20(68) | 2.31~2.57 |
-30(-22) | 23.43~27.34 | 25(77) | 1.90~2.10 |
-20(-4) | 13.89~16.03 | 30(86) | 1.56~1.74 |
-10(14) | 8.50~9.71 | 40(104) | 1.08~1.21 |
0(32) | 5.38~6.09 | 60(140) | 0.54~0.62 |
10(50) | 3.48~3.90 | 80(176) | 0.29~0.34 |
Does the IATS operate properly? (Check variation)
![]() | ▶ Go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ Carefully re-do this troubleshooting guide steps. ▶ If no problems were found with the circuits or connectors, replace the IATS and go to "Verification of Vehicle Repair" procedure. |