P2400

190704 - P2400

Information saved in
DME

Fault code
190704 - P2400

Fault text
DMTL leak diagnosis pump, activation: open circuit

Fault description
The diagnostic function monitors the electrical connection
between the DME and the leakage diagnosis pump.

Condition for fault identification
Test condition:
The fault is recognized when a control signal is transmitted
to the leakage diagnosis pump and an open circuit is present.
Potential problem source(s):
- Defect in wiring harness
- Defect in power supply to DMTL
- DMTL defective
Terminal condition: none
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

Condition for fault memory entry
The diagnostic fault code is logged when the fault persists
for longer than 500 ms.

Action in service
- Check wiring harness
- Check voltage supply to DMTL
- Replace DMTL

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- none

Driver information
Warning light:
- ECE emissions warning lamp: off
- US emissions warning lamp: on
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- On E7X versions the power-supply voltage is from
Terminal 30gz, which is controlled by the CAS. If the
battery is severely discharged the CAS may deactivate this
Terminal 30gz, leading to this diagnostic fault code entry.