Nissan Note [1560/1872] Hr without euro obd

Nissan Note [1560/1872] Hr without euro obd
EC-1560
[HR (WITHOUT EURO-OBD)]
HO2S1 HEATER
Diagnostic Procedure
BBS004S9
1. CHECK OVERALL FUNCTION
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Turn ignition switch ON.
4. Set tester prove between ECM terminal 3 (HO2S1 heater signal) and ground.
5. Start engine and let it idle.
6. Check the voltage under the following conditions.
Verify that the oscilloscope screen shows the signal waves as
shown below.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body.
Refer to EC-1342, "
Ground Inspection" .
OK or NG
OK >> GO TO 3.
NG >> Repair or replace ground connections.
Conditions Voltage
At idle
Approximately 7.0V
Engine speed is above 3,600 rpm
BATTERY VOLTAGE
(11 - 14V)
MBIB1394E
PBIB0519E
1. IPDM E/R 2. Body ground 3. Body ground
MBIB1550E

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