Component Inspection

WARNING: This page is about a different car, the 2011 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.

CHECK THROTTLE POSITION SENSOR

Turn ignition switch OFF.
Reconnect all harness connectors disconnected.
Perform "THROTTLE VALVE CLOSED POSITION LEARNING : SPECIAL REPAIR REQUIREMENT ".
Turn ignition switch ON.
Set selector lever position to D.

Check the voltage between ECM harness connector terminals under the following conditions.

VOLTAGE REFERENCE CHART

ECM			Condition	Voltage (V)
Connector	+	-
Connector	Terminal	Terminal
F111	73 [TP sensor 1 (bank 1)]	71	Accelerator pedal: Fully released	More than 0.36
	73 [TP sensor 1 (bank 1)]	71	Accelerator pedal: Fully depressed	Less than 4.75
	77 [TP sensor 1 (bank 2)]	72	Accelerator pedal: Fully released	More than 0.36
	77 [TP sensor 1 (bank 2)]	72	Accelerator pedal: Fully depressed	Less than 4.75 78
	78 [TP sensor 2 (bank 1)]	71	Accelerator pedal: Fully released	Less than 4.75
	78 [TP sensor 2 (bank 1)]	71	Accelerator pedal: Fully depressed	More than 0.36 74
	74 [TP sensor 2 (bank 2)]	72	Accelerator pedal: Fully released	Less than 4.75
	74 [TP sensor 2 (bank 2)]	72	Accelerator pedal: Fully depressed	More than 0.36

Is the inspection result normal?

YES: INSPECTION END

NO: GO TO 2.

REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace malfunctioning electric throttle control actuator.
2. Perform "THROTTLE VALVE CLOSED POSITION LEARNING : SPECIAL REPAIR REQUIREMENT ".
  INSPECTION END