Fuel Consumption Signal - Signal Missing

Fuel consumption signal - Signal missing

Status check




- Start engine.




- Go into scrolling values and read off the fuel consumption signal.

Is the reading greater than 0 pulses per second?

Yes - Intermittent fault, Signal faulty

No - Checking cables

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Checking cables




Check the cable between engine control module (ECM) #B39 and combined instrument panel #A9 for
open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault , a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault and a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Check cable connectors for contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.










Continue - Verification

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Verification













Hint: After carrying out the repair, check that the fault has been remedied as follows:




- Ignition off.
- Reinstall connectors, components etc.
- Start engine.
- Go into scrolling values.
- Read off the fuel consumption signal.

Is the reading greater than 0 pulses per second?

Yes - FAULT FOUND

No - Fault-tracing information

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Fault-tracing information
Verification indicates that the fault persists.

Do you want to exit fault-tracing?

Yes - No Fault Found

No - Status check

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Intermittent fault, Signal faulty.




Check the cable between engine control module (ECM) #B39 and combined instrument panel #A9 for
open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , a short-circuit to ground according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and a short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults. Check cable connectors for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.










Continue - FAULT FOUND

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Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

Do you want to repeat fault-tracing?

Yes - Status check

No - No Fault Found

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