Eos (1F7) L4-2.0L Turbo (CCTA) (2009)
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Compare the vehicle speed on the scan tool to the Speedometer (G21).
Specified value: a difference of no greater than 10%.
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Switch the ignition OFF.
If the specified value was not obtained or no speed was displayed:
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Check the wiring from the Motronic Engine Control Module (ECM) (J623) to the Instrument Cluster Control Module (J285) for an open circuit,
Short to Battery (+) or to Ground.
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Check the wiring connection for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09 [ CCTA, (CBRA) 2008 ].
2. If necessary, erase the DTC memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09 [ CCTA, (CBRA) 2008 ].
3. If the DTC memory was erased, generate readiness code. Refer to => [ Readiness Code ] See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes.