Operation CHARM: Car repair manuals for everyone.

E17: Check B+ At O2 Sensor Heater Circuit









With EM010 and EM015 disconnected, measure the voltage between EM010/023 and EM015/001.

- Is the voltage B+?
Yes

Remove link lead and reconnect all connectors.
GO to E18 E18: End
No
Check integrity of EMS fuse F14, EMS control relay (relay 1) is energized and all connections are made.
GO to E18 E18: End