Nissan Juke Service and Repair Manual : ECU diagnosis information
ECM
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
NOTE
:
• ECM is located in the engine room left side near battery.
• When disconnecting ECM harness connector (1), loosen (B) it with levers as far as they will go as shown in the figure.
2 : ECM
A : Fasten
• Pulse signal is measured by CONSULT-III.
DTC Index
*: This number is prescribed by ISO 15031-6.
On board diagnostic (OBD) system
Diagnosis Description
The ECM controls the display on the instrument panel of certain information
relating to the operation of the
engine.
Four functions are involved here: The OBD malfunction ...
Wiring diagram
Engine control system
Wiring Diagram
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to GI-12, "Conne ...
Other materials:
Ignition timing
Description
This describes how to check the ignition timing. For the actual procedure,
follow the instructions in “BASIC
INSPECTION”.
Special Repair Requirement
1.CHECK IGNITION TIMING
1. Attach timing light to the ignition coil No.4 harness.
2. Check ignition timing.
1 : Timing indicator
...
Take away warning does not operate
Diagnosis Procedure
1.CHECK DTC WITH BCM AND COMBINATION METER
Check that DTC is not detected with BCM and combination meter.
Is the inspection result normal?
YES >> GO TO 2.
NO-1 >> Refer to BCS-67, "DTC Index". (BCM)
NO-2 >> Refer to MWI-36, "DTC Index&qu ...
Precaution Necessary for Steering Wheel Rotation after Battery Discon
NOTE:
• Before removing and installing any control units, first turn the ignition
switch to the LOCK position, then disconnect
both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Always use CONS ...
