DTC P0617-142: Starter Relay Circuit High [12/2014 - ]: Procedure

1. Check the vehicle condition.

   Result

   Result	Proceed to
   w/ Smart Key System	A
   w/o Smart Key System	B

B → See step   6 

A: Go to next step 

NG → CONNECT SECURELY 

OK: Go to next step 

1. Check the connector connection condition of the certification ECU (smart key ECU assembly). Refer to COMPONENTS [12/2014 - ] .

   OK

   The connector is connected securely and there are no contact problems.

NG → CONNECT SECURELY 

OK: Go to next step 

1. Turn the ignition switch off.
2. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   G57-9 (ST2) - Body ground	Power switch off	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Component with harness connected (Hybrid Vehicle Control ECU)

NG → See step   5 

OK → See step   10 

1. Disconnect connector G85 from the certification ECU (smart key ECU assembly) connector.
2. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   G57-9 (ST2) - Body ground	Power switch off	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Component with harness connected (Hybrid Vehicle Control ECU)

3. Connect the certification ECU (smart key ECU assembly) connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

1. Disconnect connector G57 from the hybrid vehicle control ECU.
2. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   G57-9 (ST2) - Body ground	Ignition switch off	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)

3. Connect the hybrid vehicle control ECU connector.

NG → See step   9 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Read and record the DTCs and freeze frame data.
5. Clear the DTCs and freeze frame data.
6. Turn the ignition switch off.

NEXT: Go to next step 

1. Turn the ignition switch off and leave the vehicle as it is for approximately 5 seconds.
2. Turn the ignition switch to ON (IG) again.
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Recheck for DTCs.

   Result

   Result	Proceed to
   P0617-142 is output again.	A
   P0617-142 is not output.	B

5. Turn the ignition switch off.

B → See step   11 

A → See step   10 

1. Disconnect connector G15 from the ignition or starter switch assembly connector.
2. Disconnect connector G57 from the hybrid vehicle control ECU connector.
3. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   G15-7 (ST2) or G57-9 (ST2) - Body ground and other terminals	Ignition switch off	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Ignition or Starter Switch Assembly)
   *b	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)

4. Connect the hybrid vehicle control ECU connector.
5. Connect the ignition or starter switch assembly connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   12