DTC C193E: Front Active Stabilizer Control ECU CAN Communication Stop: Procedure

1. Check for DTC. Refer to DTC CHECK / CLEAR .

   OK

   DTC is not output.

NG → See step   4 

OK: Go to next step 

1. Disconnect the A49 front active stabilizer control ECU connector.
   Fig 1: Identifying A49 Front Active Stabilizer Control ECU Connector Terminal

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2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   A49-1 (LCN+) - A49-8 (LCN-)	Engine switch off	54 to 69 Ω
   A49-2 (CANH) - A49-3 (CANL)	Engine switch off

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Turn the engine switch off.
2. Exchange the front active stabilizer control ECU with the rear active stabilizer control ECU.
3. Connect Techstream to the DLC3.
4. Turn the engine switch on (IG) and press the Techstream main switch ON.
5. Clear the DTC. Refer to DTC CHECK / CLEAR .
6. Check for DTC.
   RESULT
   
   

   Result	Proceed to
   DTC C1917 is output	A
   DTC is not output	B

B → CHECK INTERMITTENT PROBLEMS 

A → See step   5