Nissan Note [1338/1872] Diagnostic procedure

Nissan Note [1338/1872] Diagnostic procedure
EC-1338
[HR (WITHOUT EURO-OBD)]
POWER SUPPLY AND GROUND CIRCUIT
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure
BBS004LF
1. INSPECTION START
Start engine.
Is engine running?
Yes or No
Yes >>GOTO8.
No >> GO TO 2.
2. CHECK ECM POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF and then ON.
2. Check voltage between ECM terminal 93 and ground with CON-
SULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
TER-
MINAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
10
11
B
B/W
ECM ground
[Engine is running]
Idle speed
Body ground
32 P
ECM relay
(Self shut-off)
[Engine is running]
[Ignition switch: OFF]
For a few seconds after turning ignition switch
OFF
0 - 1.0V
[Ignition switch: OFF]
More than a few seconds after turning ignition
switch OFF
BATTERY VOLTAGE
(11 - 14V)
93 O Ignition switch
[Ignition switch: OFF] 0V
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
105 G
Power supply for
ECM
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
108 B ECM ground
[Engine is running]
Idle speed
Body ground
Voltage: Battery voltage
PBIA9561J

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