Resistance Test
- Turn the ignition switch OFF.
- Disconnect the PTC heater connector.
- Measure the resistance between terminal 1, 3 of PTC heater and ground line.
Resistance: 0.3 - 1.5 Ω
[Diesel]
Pin No. Function 1 PTC 2 2 Ground 3 PTC 1 4 Ground 5 - - If the measured resistance is not specification, replace the PTC heater with new one.