On-Vehicle Inspection [08/2013 - ]
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT PTC HEATER RELAY (PTC HTR NO. 1, PTC HTR NO. 2)
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 3 - 5 Auxiliary battery voltage is not applied between terminals 1 and 2 10 kΩ or higher 3 - 5 Auxiliary battery voltage is applied between terminals 1 and 2 Below 1 Ω - If the result is not as specified, replace the relay.
- Measure the resistance according to the value(s) in the table below.