Component Function Check

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK MANIFOLD ABSOLUTE PRESSURE SENSOR FUNCTION

WITH CONSULT

Start engine.

Check "MAP SENSOR" in "DATA MONITOR" mode with CONSULT.

Monitor Item	Condition		Values/Status
MAP SENSOR	Engine: After warming up Selector lever: P or N position A/C switch: OFF No load	Idle	Approx. 1.0 V
MAP SENSOR		2, 000 rpm	Approx. 1.35 V

WITHOUT CONSULT

Start engine.

Check the voltage between ECM harness connector and ground.

ECM				Condition	Voltage
+		-
Connector	Terminal	Connector	Terminal
F110	67	E80	175	[Engine is running] Warm-up condition Idle speed	1.2 V
F110	67	E80	175	[Engine is running] Warm-up condition Engine speed: 2, 000 rpm	1.5 V

Is the inspection result normal?

YES: INSPECTION END

NO: Proceed to "DIAGNOSIS PROCEDURE ".