POWER STEERING SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here

HINT:

1. Use these procedures to troubleshoot the power steering system.
   
2. *: Use the intelligent tester.
   

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Standard Voltage:

11 to 14 V


If the voltage is below 11 V, recharge or replace the battery before proceeding.

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1. Refer to DTC Check/Clear (Click here).
   

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1. Refer to DTC output for the CAN communication system (Click here).
   

   Result 

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

   HINT:

   1. When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
      
   2. When communication to the power steering ECU is not established through the intelligent tester, inspect terminals CANH and CANL of the DLC3 and the power steering ECU, and the IG circuit of the power steering ECU.
      

B.	PROCEED TO CAN COMMUNICATION SYSTEM (Click here)
A

1. Refer to DTC Check/Clear (Click here).
   

   Result 

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

B.	Go to step 9
A

1. Refer to Problem Symptoms Table (Click here).
   

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 9
A

1. Refer to Terminals of ECU (Click here).
   

2. Refer to Data List/Active Test (Click here).
   

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