TC and CG Terminal Circuit [08/2013 - 08/2016]: Procedure

1. Check for DTCs.

   Refer to DIAGNOSIS SYSTEM [08/2013 - 04/2014] Refer to DIAGNOSIS SYSTEM [04/2014 - 08/2015] Refer to DIAGNOSIS SYSTEM [08/2015 - 08/2016]

   Result

   Result	Proceed to
   CAN communication system DTCs are not output.	A
   CAN communication system DTCs are output.	B

Result:  3

B 

GO TO CAN COMMUNICATION SYSTEM:  HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] 

Result:  1

A 

See step  2

1. Turn the ignition switch to ON.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of DLC3

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   E13-13 (TC) - E13-4 (CG)	Ignition switch ON	9 to 16 V

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

See step  4

Result:  1

OK 

See step  3

1. Turn the ignition switch off.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of DLC3

2. Replace the ECM.

   for 2ZR-FE: Refer to REMOVAL [08/2013 - 08/2016]

   for 2ZR-FAE: Refer to REMOVAL [08/2013 - 08/2016]

3. Using SST, connect terminals TC and CG of the DLC3.
   • SST: 09843-18040 
4. Check that the EPS warning light is blinking.

   OK

   The EPS warning light is blinking.

   HINT: 

   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.

   Refer to PROBLEM SYMPTOMS TABLE [08/2013 - 04/2014] Refer to PROBLEM SYMPTOMS TABLE [04/2014 - 08/2016]

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

END 

Result:  2

NG 

REPLACE POWER STEERING ECU ASSEMBLY. Refer to  REMOVAL [08/2013 - ] 

1. Disconnect the A40 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E13-13 (TC) - A40-23 (TC)	Always	Below 1 Ω
   E13-13 (TC) or A40-23 (TC) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  1

OK 

See step  5

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of DLC3

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E13-4 (CG) - Body ground	Always	Below 1 Ω

   HINT: 

   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.

   Refer to PROBLEM SYMPTOMS TABLE [08/2013 - 04/2014] Refer to PROBLEM SYMPTOMS TABLE [04/2014 - 08/2016]

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU 

Result:  1

OK 

See step  6

1. Replace the ECM.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of DLC3

   for 2ZR-FE: Refer to REMOVAL [08/2013 - 08/2016]

   for 2ZR-FAE: Refer to REMOVAL [08/2013 - 08/2016]

2. Using SST, connect terminals TC and CG of the DLC3.
   • SST: 09843-18040 
3. Check that the EPS warning light is blinking.

   OK

   The EPS warning light is blinking.

   HINT: 

   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.

   Refer to PROBLEM SYMPTOMS TABLE [08/2013 - 04/2014] Refer to PROBLEM SYMPTOMS TABLE [04/2014 - 08/2016]

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

END 

Result:  2

NG 

REPLACE POWER STEERING ECU ASSEMBLY. Refer to  REMOVAL [08/2013 - ]