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Nissan Altima HL32 Hybrid. Manual - part 279

EC-100

< FUNCTION DIAGNOSIS >

[QR25DE]

ON BOARD DIAGNOSTIC (OBD) SYSTEM

AC PRESS SEN

• The signal voltage from the refrigerant pressure

sensor is displayed.

VHCL SPEED SE

km/h or mph

• The vehicle speed computed from the vehicle

speed signal sent from brake ECU is displayed.

SET VHCL SPD

km/h or mph

• The preset vehicle speed is displayed.

MAIN SW

ON/OFF

• Indicates [ON/OFF] condition from MAIN switch

signal.

CANCEL SW

ON/OFF

• Indicates [ON/OFF] condition from CANCEL

switch signal.

RESUME/ACC SW

ON/OFF

• Indicates [ON/OFF] condition from RESUME/AC-

CELERATE switch signal.

SET SW

ON/OFF

• Indicates [ON/OFF] condition from SET/COAST

switch signal.

BRAKE SW1

ON/OFF

• Indicates [ON/OFF] condition from ASCD brake

switch signal.

BRAKE SW2

ON/OFF

• Indicates [ON/OFF] condition of stop lamp switch

signal.

VHCL SPD CUT

NON/CUT

• Indicates the vehicle cruise condition.

NON: Vehicle speed is maintained at the ASCD
set speed.
CUT: Vehicle speed decreased to excessively
low compared with the ASCD set speed, and
ASCD operation is cut off.

LO SPEED CUT

NON/CUT

• Indicates the vehicle cruise condition.

NON: Vehicle speed is maintained at the ASCD
set speed.
CUT: Vehicle speed decreased to excessively
low, and ASCD operation is cut off.

AT OD MONITOR

ON/OFF

• Always OFF is displayed.
• This item displayed but is not applicable to this model.

AT OD CANCEL

ON/OFF

• Always OFF is displayed.
• This item displayed but is not applicable to this model.

CRUISE LAMP

ON/OFF

• Indicates request condition of CRUISE indicator

determined by the ECM according to the input
signals.

SET LAMP

ON/OFF

• Always OFF is displayed.
• This item displayed but is not applicable to this model.

A/F ADJ-B1

—

• Indicates the correction of factor stored in ECM.

The factor is calculated from the difference be-
tween the target air-fuel ratio stored in ECM and
the air-fuel ratio calculated from A/F sensor 1 sig-
nal.

FAN DUTY

• Indicates a command value for cooling fan. The

value is calculated by ECM based on input sig-
nals.

ACCEL PEDAL POSI

• Indicates the accelerator pedal opening value

sent from HV ECU.

• The opening becomes larger as the value in-

creases

ENG POWER RQST

• Indicates engine power request value sent from

HV ECU.

ENG SPEED RQST

rpm

• Indicates engine speed request signal sent from

HV ECU.

CATALYST TEMP-B1

°C or °F

• Indicates the catalyst temperature computed by

ECM according to the input signals.

Monitored item

Unit

Description

Remarks

ON BOARD DIAGNOSTIC (OBD) SYSTEM

EC-101

< FUNCTION DIAGNOSIS >

[QR25DE]

NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.

ACTIVE TEST MODE

Test Item

ENG START RQST

YES/NO

• Indicates [YES/NO] condition of engine start re-

quest signal sent from HV ECU.

ENG IDLE RQST

YES/NO

• Indicates [YES/NO] condition of engine idle re-

quest signal sent from HV ECU.

ENG F/C RQST

YES/NO

• Indicates [YES/NO] condition of fuel cut request

signal sent from HV ECU.

EVAP LEAK DIAG

YET/CMPLT

• Indicates the condition of EVAP leak diagnosis.

YET: EVAP leak diagnosis has not been per-
formed yet.
CMPLT: EVAP leak diagnosis has been per-
formed successfully.

EVAP DIAG READY

ON/OFF

• Indicates the ready condition of EVAP leak diag-

nosis.
ON: Diagnosis has been ready condition.
OFF: Diagnosis has not been ready condition.

ENG START DIAG

YET/CMPLT

• Indicates the condition of engine does not start

diagnosis.
YET: Diagnosis has not been performed yet.
CMPLT: Diagnosis has been performed success-
fully.

ENG ST DIAG RSLT

NOTNG/NG

• Indicates engine does not start diagnosis result.

Monitored item

Unit

Description

Remarks

TEST ITEM

CONDITION

JUDGMENT

CHECK ITEM (REMEDY)

FUEL INJECTION

• Ignition switch: ON (READY)
• 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
• Air fuel ratio (A/F) sensor 1

IGNITION TIMING

• Ignition switch: ON (READY)
• 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 Learn-

ing.

POWER BALANCE*

• Ignition switch: ON (READY)
• Engine: After warming up
• Selector lever: P
• 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

ENG COOLANT
TEMP

• Ignition switch: ON (READY)
• 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

sensor

• Fuel injector

FUEL PUMP RELAY*

• Ignition switch: ON
• 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

EC-102

< FUNCTION DIAGNOSIS >

[QR25DE]

ON BOARD DIAGNOSTIC (OBD) SYSTEM

*1: This item can be executed for 200 seconds after touch “Test Start”. If 200 seconds passed, touch “End”, and turn ignition switch OFF.
*2: Leaving fuel pump relay OFF with CONSULT-III while ignition switch is ON (READY) position, a certain DTC may be detected.
*3: 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-82, "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

Diagnosis Tool Function

INFOID:0000000004211349

DESCRIPTION

PURG VOL CONT/V

• Ignition switch: ON (READY)
• Engine: After warming up, run en-

gine at 1,500 rpm.

• Change the EVAP canister purge

volume control solenoid valve
opening percent using CON-
SULT-III.

Engine speed changes according
to the opening percent.

• Harness and connectors
• Solenoid valve

FUEL/T TEMP SEN

• Change the fuel tank temperature using CONSULT-III.

VENT CONTROL/V

• Ignition switch: ON (Engine

stopped)

• Turn solenoid valve “ON” and

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

Solenoid valve makes an operat-
ing sound.

• Harness and connectors
• Solenoid valve

V/T ASSIGN ANGLE

• Ignition switch: ON (READY)
• Engine: Return to the original

trouble condition

• Change intake valve timing using

CONSULT-III.

If trouble symptom disappears,
see CHECK ITEM.

• Harness and connectors
• Intake valve timing control sole-

noid valve

FAN DUTY CON-
TROL*

• Ignition switch: ON
• Change duty ratio using CON-

SULT-III.

Cooling fan speed changes.

• Harness and connectors
• Cooling fan motor
• Cooling fan relay
• Cooling fan control module
• IPDM E/R

TEST ITEM

CONDITION

JUDGMENT

CHECK ITEM (REMEDY)

Test mode

Test item

Corresponding DTC No.

Reference page

EVAPORATIVE SYSTEM

PURG VOL CN/V P1444

P0443

EC-268

PURG FLOW P0441

P0441

EC-263

A/F SEN1

A/F SEN1(B1) P1278/P1279

P0133

EC-190

A/F SEN1(B1) P1276

P0130

EC-179

HO2S2

HO2S2(B1) P1146

P0138

EC-200

HO2S2(B1) P1147

P0137

EC-195

HO2S2(B1) P0139

P0139

EC-207

ENGINE PERFORMANCE

POOR ENG PWR P1196

P1196

EC-328

ON BOARD DIAGNOSTIC (OBD) SYSTEM

EC-103

< FUNCTION DIAGNOSIS >

[QR25DE]

Generic Scan Tool (OBD II scan tool) complying with SAE J1978 has

several different functions explained below.

ISO15765-4 is used as the protocol.

The name “GST” or “Generic Scan Tool” is used in this service man-

ual.

FUNCTION

INSPECTION PROCEDURE

1. Turn ignition switch OFF.
2. Connect “GST” to data link connector (2), which is located under

LH dash panel near the hood opener handle (1).

3. Turn ignition switch ON.

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-442, "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 can close EVAP system in ignition switch ON position (Engine
stopped). When this diagnostic service is performed, EVAP canister vent control valve can
be closed.
In the following conditions, this diagnostic service cannot function.
• Low ambient temperature
• Low battery voltage
• Engine running
• Ignition switch OFF
• Low fuel temperature
• Too much pressure is applied to EVAP system

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.

ALBIA0047ZZ

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