Toyota Prius: Accelerator Pedal Sensor

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT ACCELERATOR PEDAL SENSOR ASSEMBLY

(a) Read the Data List.

Powertrain > Hybrid Control > Data List

Tester Display
Accelerator Position Sensor No.1 Voltage %
Accelerator Position Sensor No.2 Voltage %

Standard Voltage:

Tester Display	Accelerator Pedal Condition	Specified Condition
Accelerator Position Sensor No. 1 Voltage %	Not depressed	10 to 22%
	Fully depressed	52 to 90%
	Not depressed → Fully depressed → Not depressed (Accelerator pedal should be operated slowly)	Value changes progressively
Accelerator Position Sensor No. 2 Voltage %	Not depressed	24 to 40%
	Fully depressed	68 to 99%
	Not depressed → Fully depressed → Not depressed (Accelerator pedal should be operated slowly)	Value changes progressively

If the result is not as specified, check the accelerator pedal sensor assembly, wire harness and ECM.

Removal

REMOVAL

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	ACCELERATOR PEDAL PAD	78118	-	-	-
2	ACCELERATOR PEDAL (WITH SENSOR) ROD ASSEMBLY	78110K		-	-

PROCEDURE

1. REMOVE ACCELERATOR PEDAL PAD

2. REMOVE ACCELERATOR PEDAL (WITH SENSOR) ROD ASSEMBLY

NOTICE:

Avoid physical shock to the accelerator pedal (with sensor) rod assembly.
If the accelerator pedal (with sensor) rod assembly has been struck or dropped, replace it.
Do not disassemble the accelerator pedal (with sensor) rod assembly.
The accelerator pedal (with sensor) rod assembly does not require lubrication.
Do not apply oil or other lubricants to the accelerator pedal (with sensor) rod assembly. If applied, the accelerator pedal (with sensor) rod assembly must be replaced.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	ACCELERATOR PEDAL (WITH SENSOR) ROD ASSEMBLY	78110K		-	-
2	ACCELERATOR PEDAL PAD	78118	-	-	-

Tightening torque for "Major areas involving basic Toyota Prius vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

PROCEDURE

1. INSTALL ACCELERATOR PEDAL (WITH SENSOR) ROD ASSEMBLY

NOTICE:

Avoid physical shock to the accelerator pedal (with sensor) rod assembly.
If the accelerator pedal (with sensor) rod assembly has been struck or dropped, replace it.
Do not disassemble the accelerator pedal (with sensor) rod assembly.
The accelerator pedal (with sensor) rod assembly does not require lubrication.
Do not apply oil or other lubricants to the accelerator pedal (with sensor) rod assembly. If applied, the accelerator pedal (with sensor) rod assembly must be replaced.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

2. INSTALL ACCELERATOR PEDAL PAD

Toyota Prius (XW60) 2023-2025 Service Manual

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