Example 2:

Based on the DTCs entered in the DTC memories, it can be seen that control module 2 is not connected to control modules 1 and 3.

Fig 1: DTC Memory - Control Module 2 Is Not Connected To Control Modules 1 And 3

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• Switch ignition OFF.
• Disconnect control modules connected by the bus circuit and check whether a bus wiring connection has an open circuit.

• If no malfunction is found in bus wiring, replace control module 2.