Error Mid 128 - Pid 171 - Fmi 9 585i12

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Fault code: MID 128- PID 171 - FMI 9 General information on the fault code: MID128

G002 - Engine management ECU

PID171

External temperature

FMI-9 Abnormal updating rate Appliance(s) implicated: G002 Engine management ECU D001

Principal information display

Condition(s) and reason(s) for saving of fault code:

The communication bus SAE J1587-1 is faulty. The signals transmitted by the component(s) D001 are defective. The signals normally transmitted by the component(s) D001 are absent.

Perceptible symptoms or "customer complaint" due to fault:

D117

AdBlue injection fault warning pictogram

Recording of the fault code by the ECU G002.

Troubleshooting and repair method:

In order not to replace any equipment unnecessarily, it is essential to follow the steps below before carrying out fault finding: If there is an active or inactive fault code, disconnect the connector or sensor. Check that the connectors are not oxidised and that the pins are not damaged. Note: Certain fault codes become inactive when the engine is stopped. Start the engine to

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9/27/2011

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check whether the fault code is still inactive when the engine is running. After carrying out any work on the connector,refit the connector. Check whether the fault code becomes inactive. If the fault is still present, then carry out a check of the wires and sensors in accordance with the troubleshooting instructions.

General checks:

Check the general state of the function: z z z z

The wiring harnesses and the fluids routing pipes are sound. The connectors are neither oxidized nor physically damaged. The connecting arrangement is not damaged. The connectors are properly plugged into their equipment.

Diagnostics using the RENAULT TRUCKS test tool: Using the RENAULT TRUCKS test tool, perform the operation 2846-08-03-02.

Advanced control and monitoring: Measurements and diagnostics on the module D001 : Illustration of the module D001

Location

Key: in the illustration above, the unit D001 is identified by item "A".

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The location (see illustration above) is given as an indication only, for more precision, refer to the appropriate vehicle repair manual. Tests and measurements: Check the state of the wiring and connecting arrangement of SAE J1587-1. Refer to fault code MID140 - PID171 - FMI5. Refer to fault code MID140 - PID171 - FMI6.

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9/27/2011