ECU information available
Actuator test: yes
Measure parameters: no OK
Characterised by: not specified (short circuit to positive or open circuit, short circuit to earth)
Checks to be carried out if fault is present
Not specified (short circuit to positive or open circuit, short circuit to earth)
| conditions under which the fault appears | checks to be made conditions for checking |
|---|---|
| engine running | verify: ignition on, ECU connected: - no voltage at terminal(s) E2 of the control unit 32 V.NR warning: presence of 12 V on switching on then disappearance after a few seconds ignition on, ECU connected, oxygen sensor, disconnected: - 12 V absent on terminal E2 of connector 32 V.NR (computer) warning: if 12 V is present for 2/3 seconds after switching on the ignition, short circuit with a function supplied by +ve after relay ignition off, control unit disconnected, oxygen sensor, disconnected: - no earth at terminal E2 on the 32 V.NR connector (computer) |