A/F Sensor Heater Relay: Inspection: Inspection
- 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.
- Using an ohmmeter, measure the resistance between the terminals.
- Inspect A/F relay