ECU information available
Actuators test: no
Parameter measurements: no
Characterised by
- Short circuit to positive
- Open circuit or short circuit to earth
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 |
|---|---|
| ignition on short circuit to positive on terminal(s) K3 of connector 48V.MR | control unit disconnected, ignition on, check: - no voltage at terminal(s) K3 of connector 48V.MR |
Open circuit or short circuit to earth
| conditions under which the fault appears | conditions for checking checks to be made |
|---|---|
| ignition on open circuit, short circuit to earth on terminal(s) K3 (48V.MR) | control unit disconnected, ignition on, check: - continuity and insulation to earth of wire A - continuity and insulation of wire A |