POWER STEERING SYSTEM TS and CG Terminal Circuit

DESCRIPTION

Assist map writing can be performed after entering Signal Check by connecting the TS and CG terminals of the DLC3 using SST.

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WIRING DIAGRAM

*a	Power Steering ECU Assembly

CAUTION / NOTICE / HINT

PROCEDURE

1. INSPECT DLC3

   
   
   1. 

      *a	Front view of DLC3

      Turn the engine switch on (IG).

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

      Standard Voltage
      Tester Connection Condition Specified Condition K9-12 (TS) - K9-4 (CG) Engine switch on (IG) 9 to 16 V

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE POWER STEERING ECU ASSEMBLY for LHD: Click here REPLACE POWER STEERING ECU ASSEMBLY for RHD: Click here

   NG

2. CHECK HARNESS AND CONNECTOR (POWER STEERING ECU ASSEMBLY - TS of DLC3)

   
   

   1. Disconnect the A19 power steering ECU assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition K9-12 (TS) - A19-5 (TS) Always Below 1 Ω K9-12 (TS) or A19-5 (TS) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

3. CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)

   
   
   1. 

      *a	Front view of DLC3

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

      Standard Resistance
      Tester Connection Condition Specified Condition K9-4 (CG) - Body ground Always Below 1 Ω

      Tech Tips

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part.

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      Result
      Proceed to OK NG

   
   

   OK

   REPLACE POWER STEERING ECU ASSEMBLY for LHD: Click here REPLACE POWER STEERING ECU ASSEMBLY for RHD: Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR