A/F Sensor Heater Relay: Inspection: Inspection
WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT AIR FUEL RATIO SENSOR RELAY
- Inspect A/F relay
- Using an ohmmeter, measure the resistance between the terminals.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Resistance
| Tester Connection |
Specified Condition |
| 1F-1 - 1C-6 |
10 kΩ or higher |
| 1F-1 - 1C-6 |
Below 1 Ω
(Apply battery voltage to terminals 1D-5 and 1H-2) |
If the result is not as specified, replace the engine room junction block assembly.