F3: Check For O2 Sensor Heater Continuity

With EM023 disconnected, measure the resistance between EM023/001 and EM023/002.

Fig 1: Measuring Resistance Between EM023/001 And EM023/002
Courtesy of JAGUAR CARS, INC.
- Is the resistance between 4 and 10OHM?
Yes : GO to F4

No : Renew O2 sensor, reconnect plug(s)

GO to F8