CRUISE CONTROL SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here

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Refer to the how to proceed with troubleshooting (Click here).

1. Check for output DTCs.
   

   Result:

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

   HINT:

   The hybrid vehicle control ECU of this system is connected to the multiplex communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the multiplex communication system.

B.	PROCEED TO "MULTIPLEX COMMUNICATION SYSTEM"
A

Refer to the precaution.LHD: Click here RHD: Click here

1. Check for output DTCs.
   

   Result:

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

   HINT:

   The hybrid vehicle control ECU of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

B.	PROCEED TO "CAN COMMUNICATION SYSTEM"
A

Refer to the DTC check/clear (Click here).

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Refer to the DTC check/clear (Click here).

Result:

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

A.	GO TO STEP 8
B

Refer to the diagnostic trouble code chart (Click here).

NEXT
GO TO STEP 11

Result:




Result	Proceed to
Fault is not listed in problem symptoms table	A
Fault is listed in problem symptoms table	B

B.	GO TO STEP 10
A

Refer to the electronic circuit inspection procedure (Click here).

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Refer to the problem symptoms table (Click here).

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Refer to the terminals of ECU (Click here).

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