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Nissan Tiida C11. Manual - part 613

EC-1102

< FUNCTION DIAGNOSIS >

[K9K]

COOLING FAN CONTROL

ASCD steering switch

ASCD switch

CANCEL switch

RESUME switch

SET - switch

SET + switch

Stop lamp switch

Brake pedal

ASCD clutch switch

10. Clutch pedal

AWBIA0056ZZ

CAN COMMUNICATION

EC-1103

< FUNCTION DIAGNOSIS >

[K9K]

CAN COMMUNICATION

System Description

INFOID:0000000001162546

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Refer to

LAN-33, "CAN Communication Signal Chart"

, about CAN communication for detail.

EC-1104

< FUNCTION DIAGNOSIS >

[K9K]

ON BOARD DIAGNOSTIC (OBD) SYSTEM

ON BOARD DIAGNOSTIC (OBD) SYSTEM

Diagnosis Description

INFOID:0000000001162547

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 indicator [MI (Yellow)] for the EOBD (European On
Board Diagnostics), the pre/post heating, the engine coolant temperature and engine malfunction [MI (Red)].
These four functions are represented by four lights given out by the ECM

GLOW LAMP

This lamp indicates that the glow control system has been activated.

ENGINE COOLANT TEMPERATURE LIGHT

This light is used as an indicator of engine overheating.
• In the event of overheating, it is up to the driver whether to stop the vehicle or not.

MALFUNCTION INDICATOR

The OBD malfunction indicator [MI (Yellow)] is used to alert the driver to the existence of engine control sys-
tem malfunctions involving excessive pollution or if the EOBD system is deactivated.
The ECM makes a request for lighting of the MI (Yellow) only where there is a malfunction present at the end
of three consecutive cycles.
The 3-second visual check upon powering up (automatic test procedure controlled by the IPDM E/R) is per-
formed by the ECM.
In the event of a confirmed OBD malfunction by lighting of the MI, no flashing of the light must be observed fol-
lowing the lighting test.

DTCs Causing MI to Light

ENGINE WARNING LIGHT

In the event of an engine malfunction, the ECM may request the display of an engine warning light [MI (Red)].

HOW TO ERASE DTC, 1ST TRIP DTC AND 2ND TRIP DTC

With CONSULT-III

The emission related diagnostic information in the ECM can be erased by selecting “ALL ERASE” in the
“Description” of “FINAL CHECK” mode with CONSULT-III.

MI OPERATION CHART

Some malfunction must switch on MI to warn driver, that his engine emissions exceed OBD thresholds (Euro 3
x 2.5).
The rule is to switch on MI after 3 consecutive driving cycles (engine start + engine stop + power latch) with a
present OBD malfunction.
To switch off the MI (without CONSULT-III), vehicle has to drive 3 consecutive cycles without present OBD
malfunction.
Ignition switch OFF

→

ON transition, MI remains switched on in pre-drive check mode until engine start.If MI

does not switch off whereas engine is running, there is at least one present OBD malfunction.

DTC

Description

Reference page

P0201

Cylinder 1 fuel injector control circuit

EC-1142

P0202

Cylinder 2 fuel injector control circuit

EC-1142