ECU information available
Actuator test: no OK
Measure parameters: yes
Characterised by
- Short circuit to positive
- Coherence
- Not specified (short circuit to positive, coherence)
Checks to be carried out if fault is present
Short circuit to positive
| 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) A3, B3 of the control unit 32 V.GR 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 |
Coherence
| conditions under which the fault appears | checks to be made conditions for checking |
|---|---|
| engine running | verify: - engine hot, engine running: - does the voltage U vary between terminals A3 and B3 of connector 32 V.GR of the ECU ? (0,1 ≤ U ≤ 1 V) |
Not specified
| conditions under which the fault appears | checks to be made conditions for checking |
|---|---|
| engine running | verify: - engine hot, engine running: - does the voltage U vary between terminals A3 and B3 of connector 32 V.GR of the ECU ? (0,1 ≤ U ≤ 1 V) |
Check(s) to be carried out if no fault found
Engine hot, engine running, check:
- does the voltage U vary between terminals A3 and B3 of connector 32 V.GR of the ECU (0,1 ≤ U ≤ 1 V) ?
If incorrect: check continuity of wires A and B
