Nissan Note [1726/1872] Component inspection

Nissan Note [1726/1872] Component inspection
EC-1726
[K9K]
DTC P0100 MAF SENSOR
6. CHECK MAFS GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between mass air flow sensor terminal 2 and ECM terminal 70.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK MAFS INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between mass air flow sensor terminal 6 and ECM terminal 60.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK MASS AIR FLOW SENSOR
Refer to EC-1726, "
Component Inspection" .
OK or NG
OK >> GO TO 9.
NG >> Replace mass air flow sensor.
9. CHECK INTERMITTENT INCIDENT
Refer to EC-1697, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Component Inspection
BBS0042N
MASS AIR FLOW SENSOR
1. Reconnect all harness connectors disconnected.
2. Start engine and warm it up to normal operating temperature.
3. Check voltage between ECM terminal 60 (Mass air flow sensor
signal) and ground.
4. If NG, replace mass air flow sensor.
Removal and Installation
BBS0042O
MASS AIR FLOW SENSOR
Refer to EM-245, "AIR CLEANER AND AIR DUCT" .
Continuity should exist.
Continuity should exist.
Condition Voltage V
Ignition switch ON (Engine stopped.) Approx. 0.36
Engine speed: Idle Approx. 1.7
Engine speed: 2,500 rpm Approx. 2.2
SEC915C

Содержание

Скачать
Случайные обсуждения