DTC P0851-775: Park / Neutral Switch Input Circuit Low: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.

   Result

   Result	Proceed to
   P0851-775 only is output.	A
   P0705-757 is also output.	B

B → See step   5 

A: Go to next step 

1. Turn the power switch off.
2. Disconnect connector E55 from the hybrid vehicle control ECU.
3. Measure the resistance according to the value(s) in the table below.
   Fig 1: E55 Connector Terminal

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Tester Connection	Condition	Specified Condition
   E55-1 (+BS) - E55-15 (N)	N Position	Below 1 Ω
   E55-1 (+BS) - E55-15 (N)	Except N Position	4.2 to 5.2 kΩ

NG → See step   4 

OK: Go to next step 

1. Check for intermittent problems. Refer to CHECK FOR INTERMITTENT PROBLEMS .

NG → REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

OK → See step   6 

1. Disconnect the park/neutral position switch connector.
   Fig 2: Identifying E65 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   E65-7 (+B) - E65-2 (N)	N position	Below 1 Ω
   E65-7 (+B) - E65-2 (N)	Except N Position	4.2 to 5.2 kΩ

NG → See step   7 

OK → REPAIR OR REPLACE HARNESS OR CONNECTOR