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Nissan Tiida C11. Manual - part 532

EC-778

< FUNCTION DIAGNOSIS >

[MR18DE]

ON BOARD DIAGNOSTIC (OBD) SYSTEM

*: Leaving cooling fan OFF with CONSULT-III while engine is running may cause the engine to overheat.

DTC & SRT CONFIRMATION MODE

SRT STATUS Mode

For details, refer to

EC-760, "Diagnosis Description"

SRT WORK SUPPORT Mode

This mode enables a technician to drive a vehicle to set the SRT while monitoring the SRT status.

DTC WORK SUPPORT Mode

TEST ITEM

CONDITION

JUDGEMENT

CHECK ITEM (REMEDY)

FUEL INJECTION

• Engine: Return to the original

trouble condition

• Change the amount of fuel injec-

tion using CONSULT-III.

If trouble symptom disappears, see
CHECK ITEM.

• Harness and connectors
• Fuel injector
• Heated oxygen sensor 1

IGNITION TIMING

• Engine: Return to the original

trouble condition

• Timing light: Set
• Retard the ignition timing using

CONSULT-III.

If trouble symptom disappears, see
CHECK ITEM.

• Perform Idle Air Volume Learning.

POWER BALANCE

• Engine: After warming up, idle

the engine.

• A/C switch OFF
• Shift lever:Neutral
• Cut off each fuel injector signal

one at a time using CONSULT-
III.

Engine runs rough or dies.

• Harness and connectors
• Compression
• Fuel injector
• Power transistor
• Spark plug
• Ignition coil

COOLING FAN*

• Ignition switch: ON
• Turn the cooling fan “LOW”, “HI”

and “OFF” CONSULT-III.

Cooling fan moves and stops.

• Harness and connectors
• IPDM E/R (Cooling fan relay)
• Cooling fan motor

ENG COOLANT
TEMP

• Engine: Return to the original

trouble condition

• Change the engine coolant tem-

perature using CONSULT-III.

If trouble symptom disappears, see
CHECK ITEM.

• Harness and connectors
• Engine coolant temperature sen-

sor

• Fuel injector

FUEL PUMP RELAY

• Ignition switch: ON (Engine

stopped)

• Turn the fuel pump relay “ON”

and “OFF” using CONSULT-III
and listen to operating sound.

Fuel pump relay makes the operat-
ing sound.

• Harness and connectors
• Fuel pump relay

PURG VOL CONT/V

• Engine: After warming up, run

engine at 1,500 rpm.

• Change the EVAP canister

purge volume control solenoid
valve opening percent using
CONSULT-III.

Engine speed changes according
to the opening percent.

• Harness and connectors
• Solenoid valve

V/T ASSIGN ANGLE

• Engine: Return to the original

trouble condition

• Change intake valve timing us-

ing CONSULT-III.

If trouble symptom disappears, see
CHECK ITEM.

• Harness and connectors
• Intake valve timing control sole-

noid valve

Test mode

Test item

Condition

Reference page

HO2S1

HO2S1 (B1) P0133

Refer to corresponding
trouble diagnosis for DTC.

HO2S1 (B1) P0134

HO2S1 (B1) P1143

HO2S1 (B1) P1144

HO2S2

HO2S2 (B1) P0139

EC-835

HO2S2 (B1) P1146

EC-906

HO2S2 (B1) P1147

EC-912

ON BOARD DIAGNOSTIC (OBD) SYSTEM

EC-779

< FUNCTION DIAGNOSIS >

[MR18DE]

Diagnosis Tool Function

INFOID:0000000001161754

DESCRIPTION

Generic Scan Tool (OBDII scan tool) complying with ISO 15031-5
has 8 different functions explained below.
ISO9141 is used as the protocol.
The name “GST” or “Generic Scan Tool” is used in this service man-
ual.

FUNCTION

INSPECTION PROCEDURE

Turn ignition switch OFF.

Connect “GST” to data link connector, which is located under LH dash panel near the hood opener han-
dle.

Turn ignition switch ON.

Enter the program according to instruction on the screen or in
the operation manual.
(*: Regarding GST screens in this section, sample screens are
shown.)

SEF139P

Diagnostic Service

Function

Service $01

READINESS TESTS

This diagnostic service gains access to current emission-related data values, including an-
alog inputs and outputs, digital inputs and outputs, and system status information.

Service $02

(FREEZE DATA)

This diagnostic service gains access to emission-related data value which were stored by
ECM during the freeze frame. For details, refer to

EC-1020, "DTC Index"

Service $03

DTCs

This diagnostic service gains access to emission-related power train trouble codes which
were stored by ECM.

Service $04

CLEAR DIAG INFO

This diagnostic service can clear all emission-related diagnostic information. This in-
cludes:
• Clear number of diagnostic trouble codes (Service $01)
• Clear diagnostic trouble codes (Service $03)
• Clear trouble code for freeze frame data (Service $01)
• Clear freeze frame data (Service $02)
• Reset status of system monitoring test (Service $01)
• Clear on board monitoring test results (Service $06 and $07)

Service $06

(ON BOARD TESTS)

This diagnostic service accesses the results of on board diagnostic monitoring tests of
specific components/systems that are not continuously monitored.

Service $07

(ON BOARD TESTS)

This diagnostic service enables the off board test drive to obtain test results for emission-
related powertrain components/systems that are continuously monitored during normal
driving conditions.

Service $08

—

This diagnostic service is not applicable on this vehicle.

Service $09

(CALIBRATION ID)

This diagnostic service enables the off-board test device to request specific vehicle infor-
mation such as Vehicle Identification Number (VIN) and Calibration IDs.

SEF398S

EC-780

< FUNCTION DIAGNOSIS >

[MR18DE]

ON BOARD DIAGNOSTIC (OBD) SYSTEM

Perform each diagnostic mode according to each service proce-
dure.
For further information, see the GST Operation Manual of
the tool maker.

SEF416S

TROUBLE DIAGNOSIS - SPECIFICATION VALUE

EC-781

< COMPONENT DIAGNOSIS >

[MR18DE]

COMPONENT DIAGNOSIS

TROUBLE DIAGNOSIS - SPECIFICATION VALUE

Description

INFOID:0000000001161755

The specification (SP) value indicates the tolerance of the value that is displayed in “SPEC” of “DATA MONI-
TOR” mode of CONSULT-III during normal operation of the Engine Control System. When the value in “SPEC”
of “DATA MONITOR” mode is within the SP value, the Engine Control System is confirmed OK. When the
value in “SPEC” of “DATA MONITOR” mode is NOT within the SP value, the Engine Control System may have
one or more malfunctions.
The SP value is used to detect malfunctions that may affect the Engine Control System, but will not light the
MI.
The SP value will be displayed for the following three items:
• B/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board correc-

tion)

• A/F ALPHA-B1 (The mean value of air-fuel ratio feedback correction factor per cycle)
• MAS A/F SE-B1 (The signal voltage of the mass air flow sensor)

Component Function Check

INFOID:0000000001161756

START

Make sure that all of the following conditions are satisfied.
• Vehicle driven distance: More than 5,000 km (3,107 miles)
• Barometric pressure: 98.3 - 104.3 kPa (0.983 - 1.043 bar, 1.003 - 1.064 kg/cm

, 14.25 - 15.12 psi)

• Atmospheric temperature: 20 - 30

C (68 - 86

• Engine coolant temperature: 75 - 95

C (167 - 203

• Transmission: Warmed-up
- After the engine is warmed up to normal operating temperature, drive vehicle for 5 minutes.
• Electrical load: Not applied*
• Engine speed: Idle
*: Rear window defogger switch, air conditioner switch, lighting switch are OFF. Steering wheel is straight
ahead.

>> GO TO 2.

PERFORM “SPEC” OF “DATA MONITOR” MODE

With CONSULT-III

NOTE:
Perform “SPEC” in “DATA MONITOR” mode in maximum scale display.
1.

Perform

EC-689, "BASIC INSPECTION : Special Repair Requirement"

Select “B/FUEL SCHDL”, “A/F ALPHA-B1” and “MAS A/F SE-B1” in “SPEC” of “DATA MONITOR” mode
with CONSULT-III.

Make sure that monitor items are within the SP value.

Is the inspection result normal?

YES

>> END

>> Go to

EC-782, "Diagnosis Procedure"

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