DTC P0617: Starter Relay Circuit High [11/2021 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / ECT / Data List / Starter Signal.

   Powertrain > ECT > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Starter Signal	Starter signal	ON or OFF	ON: Engine is cranking OFF: Engine switch on (IG)	-

   Powertrain > ECT > Data List 

   Tester Display
   Starter Signal

5. Check the value displayed on the Techstream when the vehicle is driven at 20 km/h (12.4 mph) or more.
   WARNING:

   When performing the confirmation driving pattern, obey all speed limits and traffic laws.

   Result

   Condition	Techstream Display	Proceed to
   Driving at 20 km/h (12.4 mph) or more	OFF	A
   	ON	B

Result: 

A 

SYMPTOMS SIMULATION AND DTC CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 09/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - ] 

Result: 

B 

See step  2

1. Disconnect the F176 park/neutral position switch assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Park/Neutral Position Switch Assembly)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   4 (B) - 5 (L)	Shift lever in P	Below 1 Ω
   	Shift lever in N	Below 1 Ω
   	Shift lever not in P or N	10 kΩ or higher
   2 (RB) - 5 (L)	Shift lever in P	10 kΩ or higher
   	Shift lever in R	10 kΩ or higher
   	Shift lever in N	10 kΩ or higher
   	Shift lever in D	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY. Refer to  COMPONENTS [11/2021 - ] 

Result: 

OK 

See step  3

1. Disconnect the A118 TCM connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Rear view of wire harness connector (to TCM)

2. Remove the ST NO. 1 relay from the No. 2 engine room relay block and No. 2 junction block assembly.
3. Turn the engine switch on (IG).
4. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A118-15 (STA) - Body ground	Engine switch on (IG)	Below 2 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (TCM - PARK/NEUTRAL POSITION SWITCH ASSEMBLY) 

Result: 

OK 

See step  4

1. Connect the Techstream to the DLC3.
2. Start the engine and turn the Techstream on.
3. Enter the following menus: Powertrain / ECT / Trouble Codes.

   Powertrain > ECT > Clear DTCs 

4. Clear the DTCs.

   HINT: 

   Write down the currently output DTCs before clearing them.

5. Perform the monitor drive pattern.

   Refer to MONITOR DRIVE PATTERN [11/2021 - ]

6. Enter the following menus: Powertrain / ECT / Trouble Codes.

   Powertrain > ECT > Trouble Codes 

7. Read the DTCs using the Techstream.

   Result

   Result	Proceed to
   DTCs are not output	A
   DTC P0617 is output	B

Result: 

A 

END 

Result: 

B 

See step  5

1. Replace the TCM.

   Refer to COMPONENTS [11/2021 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

PERFORM A/T CODE REGISTRATION. Refer to  REGISTRATION [11/2021 - ]