2003 NISSAN ALMERA N16 Electronic Repair Manual

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Page 361 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual BASIC SERVICE PROCEDURE
EC-31
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2. Connect No. 1 ignition coil and No. 1 spark plug with suitable
high-tension wire as shown, and attach timing

Page 362 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-32
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BASIC SERVICE PROCEDURE
PREPARATION
Before performing “Idle Air Volume Learning”, make sure that all of the following conditions are satisfied.
Learning will be cancelle

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NISSAN ALMERA N16 2003 Electronic Repair Manual BASIC SERVICE PROCEDURE
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7. Make sure that “CMPLT” is displayed on CONSULT-II screen. If
“CMPLT” is not displayed, “Idle Air Volume Learni

BASIC SERVICE PROCEDURE
EC-33
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7. Make sure that “CMPLT” is displayed on CONSULT-II screen. If
“CMPLT” is not displayed, “Idle Air Volume Learning” will not be
carried out successfully. In this case, find the cause of the inci-
dent by referring to the “Diagnostic Procedure” below.
8. Rev up the engine two or three times and make sure that idle
speed and ignition timing are within the specifications.
Without CONSULT-II
NOTE:
●It is better to count the time accurately with a clock.
●It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit
has a malfunction.
1. Perform EC-31, "
Accelerator Pedal Released Position Learning" .
2. Perform EC-31, "
Throttle Valve Closed Position Learning" .
3. Start engine and warm it up to normal operating temperature.
4. Check that all items listed under the topic “PREPARATION” (previously mentioned) are in good order.
5. Turn ignition switch “OFF” and wait at least 10 seconds.
6. Confirm that accelerator pedal is fully released, turn ignition switch “ON” and wait 3 seconds.
7. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal.
8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MI stops
blinking and turned ON.
9. Fully release the accelerator pedal within 3 seconds after the MI turned ON.
10. Start engine and let it idle.
11. Wait 20 seconds.
12. Rev up the engine two or three times and make sure that idle speed and ignition timing are within the
specifications.
13. If idle speed and ignition timing are not within the specification, ″Idle Air Volume Learning″ will not be car-
ried out successfully. In this case, find the cause of the incident by referring to the “Diagnostic Procedure”
below.
ITEM SPECIFICATION
Idle speed M/T: 700±50 rpm
A/T: 800±50 rpm (in “P” or “N” position)
Ignition timing M/T: 8±5° BTDC
A/T: 10±5° BTDC (in “P” or “N” position)
MBIB0238E
ITEM SPECIFICATION
Idle speed M/T: 700±50 rpm
A/T: 800±50 rpm (in “P” or “N” position)
Ignition timing M/T: 8±5° BTDC
A/T: 10±5° BTDC (in “P” or “N” position)
PBIB0665E

Page 364 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-34
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BASIC SERVICE PROCEDURE
DIAGNOSTIC PROCEDURE
If idle air volume learning cannot be performed successfully, proceed as follows:
1.Check that throttle valve is fully closed.
2

Page 365 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual BASIC SERVICE PROCEDURE
EC-35
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2. Install the fuel pressure gauge into the fuel line as shown in the
figure.
3. Turn ignition switch “ON”, and check f

Page 366 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-36
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
ON BOARD DIAGNOSTIC (OBD) SYSTEM
PFP:00028
IntroductionEBS00K3F
The ECM has an on board diagnostic system, which detects malfunctions relate

EC-36
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
ON BOARD DIAGNOSTIC (OBD) SYSTEM
PFP:00028
IntroductionEBS00K3F
The ECM has an on board diagnostic system, which detects malfunctions related to engine sensors or actua-
tors. The ECM also records various emission-related diagnostic information including:
The above information can be checked using procedures listed in the table below.
×: Applicable —: Not applicable
*1: 1st trip DTCs for self-diagnoses concerning SRT items cannot be shown on the GST display.
*2: When DTC and 1st trip DTC simultaneously appear on the display, they cannot be clearly distinguished from each other.
The malfunction indicator (MI) on the instrument panel lights up when the same malfunction is detected in two
consecutive trips (Two trip detection logic), or when the ECM enters fail-safe mode. (Refer to EC-63
.)
Two Trip Detection LogicEBS00K3G
When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the
ECM memory. The MI will not light up at this stage. <1st trip>
If the same malfunction is detected again during the next drive, the DTC and Freeze Frame data are stored in
the ECM memory, and the MI lights up. The MI lights up at the same time when the DTC is stored. <2nd trip>
The “trip” in the “Two Trip Detection Logic” means a driving mode in which self-diagnosis is performed during
vehicle operation. Specific on board diagnostic items will cause the ECM to light up or blink the MI, and store
DTC and Freeze Frame data, even in the 1st trip, as shown below.
×: Applicable —: Not applicable
When there is an open circuit on MI circuit, the ECM cannot warn the driver by lighting MI up when there is
malfunction on engine control system.
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected as
NG for 5 trips, ECM warns the driver that engine control system malfunctions and MI circuit is open by means
of operating fail-safe function.
Emission-related diagnostic information ISO Standard
Diagnostic Trouble Code (DTC) Mode 3 of ISO 15031-5
Freeze Frame data Mode 2 of ISO 15031-5
System Readiness Test (SRT) code Mode 1 of ISO 15031-5
1st Trip Diagnostic Trouble Code (1st Trip DTC) Mode 7 of ISO 15031-5
1st Trip Freeze Frame data
Test values and Test limits Mode 6 of ISO 15031-5
Calibration ID Mode 9 of ISO 15031-5
DTC 1st trip DTCFreeze Frame
data1st trip Freeze
Frame dataSRT code Test value
CONSULT-II×× × × ×—
GST×
×*
1×—××
ECM×
×*
2————
ItemsMI DTC 1st trip DTC
1st trip 2nd trip
1st trip
displaying2nd trip
displaying1st trip
displaying2nd trip
display-
ing BlinkingLighting
upBlinkingLighting
up
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0304 is being detected×———— —×—
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0304 is being detected——×——×——
One trip detection diagnoses
(Refer to EC-10
.)—×——×—×—
Except above — — —×—××—

Page 367 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
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The fail-safe function also operates when above diagnoses except MI circuit and demands the driver to repair
the m

ON BOARD DIAGNOSTIC (OBD) SYSTEM
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The fail-safe function also operates when above diagnoses except MI circuit and demands the driver to repair
the malfunction.
Emission-related Diagnostic InformationEBS00K3H
EMISSION-RELATED DIAGNOSTIC INFORMATION ITEMS
Engine operating condition in fail-safe mode Engine speed will not rise more than 2,500 rpm due to the fuel cut
Items
(CONSULT-II screen terms)DTC*
1
SRT codeTest Value/
Test Limit
(GST only)1st trip DTC Reference page
CONSULT-II
GST*
2ECM
CAN COMM CIRCUIT U1000
1000*
3———EC-116
CAN COMM CIRCUIT U1001
1001*3——×EC-116
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.P0000 0000————
INT/V TIM CONT-B1 P0011 0011 — —×EC-119
HO2S1 HTR (B1) P0031 0031××
×*4EC-122
HO2S1 HTR (B1) P0032 0032××
×*4EC-122
HO2S2 HTR (B1) P0037 0037××
×*4EC-128
HO2S2 HTR (B1) P0038 0038××
×*4EC-128
MAF SEN/CIRCUIT P0102 0102 — — —EC-134
MAF SEN/CIRCUIT P0103 0103 — — —EC-134
IAT SEN/CIRCUIT P0112 0112 — —×EC-140
IAT SEN/CIRCUIT P0113 0113 — —×EC-140
ECT SEN/CIRCUIT P0117 0117 — — —EC-144
ECT SEN/CIRCUIT P0118 0118 — — —EC-144
HO2S1 (B1) P0132 0132××
×*4EC-149
HO2S1 (B1) P0133 0133××
×*4EC-155
HO2S1 (B1) P0134 0134××
×*4EC-165
HO2S2 (B1) P0138 0138××
×*4EC-172
HO2S2 (B1) P0139 0139××
×*4EC-178
FUEL SYS-LEAN-B1 P0171 0171 — —×EC-186
FUEL SYS-RICH-B1 P0172 0172 — —×EC-193
TP SENSOR P0221 0221 — — —EC-199
TP SEN 1/CIRC P0222 0222 — — —EC-205
TP SEN 1/CIRC P0223 0223 — — —EC-205
APP SENSOR P0226 0226 — — —EC-211
APP SEN 1/CIRC P0227 0227 — — —EC-218
APP SEN 1/CIRC P0228 0228 — — —EC-218
MULTI CYL MISFIRE P0300 0300 — —×EC-225
CYL 1 MISFIRE P0301 0301 — —×EC-225
CYL 2 MISFIRE P0302 0302 — —×EC-225
CYL 3 MISFIRE P0303 0303 — —×EC-225
CYL 4 MISFIRE P0304 0304 — —×EC-225
KNOCK SEN/CIRC-B1 P0327 0327 — —×EC-230
KNOCK SEN/CIRC-B1 P0328 0328 — —×EC-230
CKP SEN/CIRCUIT P0335 0335 — —×EC-234

Page 368 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-38
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
CMP SEN/CIRC-B1 P0340 0340 — —×EC-240
TW CATALYST SYS-B1 P0420 0420××
×*4EC-246
PURG VOLUME CONT/V P0444 0444 — —×EC-251
VEH SP

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