ECU information available
Actuator test: yes
Measure parameters: yes
Characterised by
- Short circuit to positive
- Short circuit to earth
- Open circuit
Checks to be carried out if fault is present
Short circuit to positive
| conditions under which the fault appears | conditions for checking checks to be made |
|---|---|
| engine running | control unit disconnected, fan 1 and relays 2 disconnected, fan disconnected, ignition on, check: - no voltage at terminal(s) F2 of connector 48V.MR |
Short circuit to earth
| conditions under which the fault appears | conditions for checking checks to be made |
|---|---|
| engine running | ignition off, control unit disconnected, fan 1 and relays 2 disconnected, fan disconnected, check: - insulation of wire(s) A terminal F2 of connector 48V.MR in relation to the earth |
Open circuit
| conditions under which the fault appears | conditions for checking checks to be made |
|---|---|
| engine running | ignition off, control unit disconnected, fan 1 and relays 2 disconnected, fan disconnected, check: - continuity and insulation of wire A |
