display NISSAN ALMERA N16 2003 Electronic Repair Manual

EC-10
[QG (WITH EURO-OBD)]
INDEX FOR DTC
[QG (WITH EURO-OBD)]INDEX FOR DTCPFP:00024
Alphabetical IndexEBS00K2T
Check if the vehicle is a model with Euro-OBD (E-OBD) system or not by the “Type approval number” on the
identification plate. Refer to GI-39.
NOTE:
If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-116, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
×: Applicable –: Not applicable
Items
(CONSULT-II screen terms)DTC*
1
TripMI lighting
upReference page
CONSULT-II
GST*
2ECM*3
A/T 1ST GR FNCTN P0731 0731 2×AT-133
A/T 2ND GR FNCTN P0732 0732 2×AT-139
A/T 3RD GR FNCTN P0733 0733 2×AT-145
A/T 4TH GR FNCTN P0734 0734 2×AT-151
APP SEN 1/CIRC P0227 0227 1×EC-218
APP SEN 1/CIRC P0228 0228 1×EC-218
APP SEN 2/CIRC P1227 1227 1×EC-345
APP SEN 2/CIRC P1228 1228 1×EC-345
APP SENSOR P0226 0226 1×EC-211
ATF TEMP SEN/CIRC P0710 0710 2×AT- 11 7
BRAKE SW/CIRCUIT P1805 1805 2 –EC-360
CAN COMM CIRCUIT U1000
1000*51×EC-116
CAN COMM CIRCUIT U1001
1001*52–EC-116
CKP SEN/CIRCUIT P0335 0335 2×EC-234
CMP SEN/CIRC-B1 P0340 0340 2×EC-240
CTP LEARNING P1225 1225 2 –EC-341
CTP LEARNING P1226 1226 2 –EC-343
CYL 1 MISFIRE P0301 0301 2×EC-225
CYL 2 MISFIRE P0302 0302 2×EC-225
CYL 3 MISFIRE P0303 0303 2×EC-225
CYL 4 MISFIRE P0304 0304 2×EC-225
ECM P0605 0605 1 or 2× or –EC-265
ECM BACK UP/CIRC P1065 1065 2×EC-268
ECT SEN/CIRCUIT P0117 0117 1×EC-144
ECT SEN/CIRCUIT P0118 0118 1×EC-144
ENG OVER TEMP P1217 1217 1×EC-324
ENGINE SPEED SIG P0725 0725 1×AT-129
ETC ACTR P1121 1121 1 or 2×EC-276
ETC FUNCTION/CIRC P1122 1122 1×EC-278
ETC MOT P1128 1128 1×EC-291
ETC MOT PWR P1124 1124 1×EC-285
ETC MOT PWR P1126 1126 1×EC-285
FUEL SYS-LEAN-B1 P0171 0171 2×EC-186
FUEL SYS-RICH-B1 P0172 0172 2×EC-193
HO2S1 (B1) P0132 0132 2×EC-149

EC-12
[QG (WITH EURO-OBD)]
INDEX FOR DTC
*1: 1st trip DTC No. is the same as DTC No.
*2: These numbers are prescribed by ISO 15031-5.
*3: In Diagnostic Test Mode II (Self-diagnostic results), these numbers are controlled by NISSAN.
*4: When engine is running.
*5: The troubleshooting for this DTC needs CONSULT-II.
*6: When the fail-safe operations for both self-diagnoses occur, the MI illuminates.
DTC No. IndexEBS00K2U
Check if the vehicle is a model with Euro-OBD (E-OBD) system or not by the “Type approval number” on the
identification plate. Refer to GI-39.
NOTE:
If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-116, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
×: Applicable –: Not applicable TW CATALYST SYS-B1 P0420 0420 2×EC-246
VEH SPD SEN/CIR AT*6P0720 0720 2×AT-123
VEH SPEED SEN/CIRC P0500 0500 2×EC-257
Items
(CONSULT-II screen terms)DTC*
1
TripMI lighting
upReference page
CONSULT-II
GST*
2ECM*3
DTC*1
Items
(CONSULT-II screen terms)TripMI lighting
upReference page
CONSULT-II
GST*
2ECM*3
No DTC
Flashing*4NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.–
Flashing*4EC-50
U1000
1000*5CAN COMM CIRCUIT 1×EC-116
U1001
1001*5CAN COMM CIRCUIT 2 –EC-116
P0000 0000NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.––—
P0011 0011 INT/V TIM CONT-B1 2 –EC-119
P0031 0031 HO2S1 HTR (B1) 2×EC-122
P0032 0032 HO2S1 HTR (B1) 2×EC-122
P0037 0037 HO2S2 HTR (B1) 2×EC-128
P0038 0038 HO2S2 HTR (B1) 2×EC-128
P0102 0102 MAF SEN/CIRCUIT 1×EC-134
P0103 0103 MAF SEN/CIRCUIT 1×EC-134
P0112 0112 IAT SEN/CIRCUIT 2×EC-140
P0113 0113 IAT SEN/CIRCUIT 2×EC-140
P0117 0117 ECT SEN/CIRCUIT 1×EC-144
P0118 0118 ECT SEN/CIRCUIT 1×EC-144
P0132 0132 HO2S1 (B1) 2×EC-149
P0133 0133 HO2S1 (B1) 2×EC-155
P0134 0134 HO2S1 (B1) 2×EC-165
P0138 0138 HO2S2 (B1) 2×EC-172
P0139 0139 HO2S2 (B1) 2×EC-178
P0171 0171 FUEL SYS-LEAN-B1 2×EC-186
P0172 0172 FUEL SYS-RICH-B1 2×EC-193
P0221 0221 TP SENSOR 1×EC-199

PRECAUTIONS
EC-17
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●After performing each TROUBLE DIAGNOSIS, perform
“DTC Confirmation Procedure” or “Overall Function
Check”.
The DTC should not be displayed in the “DTC Confirmation
Procedure” if the repair is completed. The “Overall Func-
tion Check” should be a good result if the repair is com-
pleted.
●When measuring ECM signals with a circuit tester, connect
a break-out box (SST) and Y-cable adapter (SST) between
the ECM and ECM harness connector.
●When measuring ECM signals with a circuit tester, never
allow the two tester probes to contact.
Accidental contact of probes will cause a short circuit and
damage the ECM power transistor.
●Do not use ECM ground terminals when measuring input/
output voltage. Doing so may result in damage to the ECM's
transistor. Use a ground other than ECM terminals, such as
the ground.
●Do not operate fuel pump when there is no fuel in lines.
●Tighten fuel hose clamps to the specified torque.
SAT652J
SEF348N
MBIB0046E

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

EC-36
[QG (WITH EURO-OBD)]
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 — — —×—××—

ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-39
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EC
*1: 1st trip DTC No. is the same as DTC No.
*2: These numbers are prescribed by ISO 15031-5.
*3: The trouble shooting for this DTC needs CONSULT-II.
*4: These are not displayed with GST.
DTC AND 1ST TRIP DTC
The 1st trip DTC (whose number is the same as the DTC number) is displayed for the latest self-diagnostic
result obtained. If the ECM memory was cleared previously, and the 1st trip DTC did not reoccur, the 1st trip
DTC will not be displayed.
If a malfunction is detected during the 1st trip, the 1st trip DTC is stored in the ECM memory. The MI will not
light up (two trip detection logic). If the same malfunction is not detected in the 2nd trip (meeting the required
driving pattern), the 1st trip DTC is cleared from the ECM memory. If the same malfunction is detected in the
2nd trip, both the 1st trip DTC and DTC are stored in the ECM memory and the MI lights up. In other words,
the DTC is stored in the ECM memory and the MI lights up when the same malfunction occurs in two consec-
utive trips. If a 1st trip DTC is stored and a non-diagnostic operation is performed between the 1st and 2nd
trips, only the 1st trip DTC will continue to be stored. For malfunctions that blink or light up the MI during the
1st trip, the DTC and 1st trip DTC are stored in the ECM memory.
Procedures for clearing the DTC and the 1st trip DTC from the ECM memory are described in EC-48, "
HOW
TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION" .
For malfunctions in which 1st trip DTCs are displayed, refer to EC-37, "
EMISSION-RELATED DIAGNOSTIC
INFORMATION ITEMS" . These items are required by legal regulations to continuously monitor the system/
component. In addition, the items monitored non-continuously are also displayed on CONSULT-II.
1st trip DTC is specified in Mode 7 of ISO 15031-5. 1st trip DTC detection occurs without lighting up the MI
and therefore does not warn the driver of a malfunction. However, 1st trip DTC detection will not prevent the
vehicle from being tested, for example during Inspection/Maintenance (I/M) tests.
When a 1st trip DTC is detected, check, print out or write down and erase (1st trip) DTC and Freeze Frame
data as specified in “Work Flow” procedure Step II, refer to EC-59, "
WORK FLOW" . Then perform “DTC Con-
firmation Procedure” or “Overall Function Check” to try to duplicate the malfunction. If the malfunction is dupli-
cated, the item requires repair.
How to Read DTC and 1st Trip DTC
DTC and 1st trip DTC can be read by the following methods.
With CONSULT-II
With GST
CONSULT-II or GST (Generic Scan Tool) Examples: P0340, P0705, P0750, etc.
These DTCs are prescribed by ISO 15031-5.
(CONSULT-II also displays the malfunctioning component or system.)
No Tools
The number of blinks of the MI in the Diagnostic Test Mode II (Self-Diagnostic Results) indicates the DTC.
Example: 0102, 0340 etc.
These DTCs are controlled by NISSAN.
●1st trip DTC No. is the same as DTC No.
●Output of a DTC indicates a malfunction. However, GST or the Diagnostic Test Mode II do not indi-
cate whether the malfunction is still occurring or has occurred in the past and has returned to nor-
mal. CONSULT-II can identify malfunction status as shown below. Therefore, using CONSULT-II (if
available) is recommended.
A sample of CONSULT-II display for DTC and 1st trip DTC is shown below. DTC or 1st trip DTC of a malfunc-
tion is displayed in SELF-DIAGNOSTIC RESULTS mode of CONSULT-II. Time data indicates how many times
the vehicle was driven after the last detection of a DTC.
If the DTC is being detected currently, the time data will be “0”.
O/R CLTCH SOL/CIRC P1760 1760 — —×AT-187
BRAKE SW/CIRCUIT P1805 1805 — —×EC-360
Items
(CONSULT-II screen terms)DTC*
1
SRT codeTest Value/
Test Limit
(GST only)1st trip DTC Reference page
CONSULT-II
GST*
2ECM

EC-40
[QG (WITH EURO-OBD)]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
If a 1st trip DTC is stored in the ECM, the time data will be “[1t]”.
FREEZE FRAME DATA AND 1ST TRIP FREEZE FRAME DATA
The ECM records the driving conditions such as fuel system status, calculated load value, engine coolant tem-
perature, short term fuel trim, long term fuel trim, engine speed, vehicle speed, base fuel schedule and intake
air temperature at the moment a malfunction is detected.
Data which are stored in the ECM memory, along with the 1st trip DTC, are called 1st trip freeze frame data.
The data, stored together with the DTC data, are called freeze frame data and displayed on CONSULT-II or
GST. The 1st trip freeze frame data can only be displayed on the CONSULT-II screen, not on the GST. For
details, see EC-90, "
Freeze Frame Data and 1st Trip Freeze Frame Data" .
Only one set of freeze frame data (either 1st trip freeze frame data or freeze frame data) can be stored in the
ECM. 1st trip freeze frame data is stored in the ECM memory along with the 1st trip DTC. There is no priority
for 1st trip freeze frame data and it is updated each time a different 1st trip DTC is detected. However, once
freeze frame data (2nd trip detection/MI on) is stored in the ECM memory, 1st trip freeze frame data is no
longer stored. Remember, only one set of freeze frame data can be stored in the ECM. The ECM has the fol-
lowing priorities to update the data.
For example, the EGR malfunction (Priority: 2) was detected and the freeze frame data was stored in the 2nd
trip. After that when the misfire (Priority: 1) is detected in another trip, the freeze frame data will be updated
from the EGR malfunction to the misfire. The 1st trip freeze frame data is updated each time a different mal-
function is detected. There is no priority for 1st trip freeze frame data. However, once freeze frame data is
stored in the ECM memory, 1st trip freeze data is no longer stored (because only one freeze frame data or 1st
trip freeze frame data can be stored in the ECM). If freeze frame data is stored in the ECM memory and freeze
frame data with the same priority occurs later, the first (original) freeze frame data remains unchanged in the
ECM memory.
Both 1st trip freeze frame data and freeze frame data (along with the DTCs) are cleared when the ECM mem-
ory is erased. Procedures for clearing the ECM memory are described in EC-48, "
HOW TO ERASE EMIS-
SION-RELATED DIAGNOSTIC INFORMATION" .
SYSTEM READINESS TEST (SRT) CODE
System Readiness Test (SRT) code is specified in Mode 1 of ISO 15031-5.
As part of an enhanced emissions test for Inspection & Maintenance (I/M), certain states require the status of
SRT be used to indicate whether the ECM has completed self-diagnosis of major emission systems and com-
ponents. Completion must be verified in order for the emissions inspection to proceed.
If a vehicle is rejected for a State emissions inspection due to one or more SRT items indicating “INCMP”, use
the information in this Service Manual to set the SRT to “CMPLT”.
In most cases the ECM will automatically complete its self-diagnosis cycle during normal usage, and the SRT
status will indicate “CMPLT” for each application system. Once set as “CMPLT”, the SRT status remains
“CMPLT” until the self-diagnosis memory is erased.
Occasionally, certain portions of the self-diagnostic test may not be completed as a result of the customer's
normal driving pattern; the SRT will indicate “INCMP” for these items.
NOTE:
The SRT will also indicate “INCMP” if the self-diagnosis memory is erased for any reason or if the ECM mem-
ory power supply is interrupted for several hours.
PBIB0911E
Priority Items
1Freeze frame data Misfire — DTC: P0300 - P0304
Fuel Injection System Function — DTC: P0171, P0172
2 Except the above items (Includes A/T related items)
3 1st trip freeze frame data

EC-44
[QG (WITH EURO-OBD)]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
How to Display SRT Code
WITH CONSULT-II
Selecting “SRT STATUS” in “DTC CONFIRMATION” mode with
CONSULT-II.
For items whose SRT codes are set, a “CMPLT” is displayed on the
CONSULT-II screen; for items whose SRT codes are not set,
“INCMP” is displayed.
A sample of CONSULT-II display for SRT code is shown at right.
“INCMP” means the self-diagnosis is incomplete and SRT is not set.
“CMPLT” means the self-diagnosis is complete and SRT is set.
WITH GST
Selecting Mode 1 with GST (Generic Scan Tool)
*1EC-39*2EC-44*3EC-45
SEF573XB
PBIB0666E

ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-47
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●The time required for each diagnosis varies with road surface conditions, weather, altitude, individual driv-
ing habits, etc.
Zone A refers to the range where the time, required for the diagnosis under normal conditions*, is the
shortest.
Zone B refers to the range where the diagnosis can still be performed if the diagnosis is not completed
within zone A.
*: Normal conditions refer to the following:
●Sea level
●Flat road
●Ambient air temperature: 20 - 30°C (68 - 86°F)
●Diagnosis is performed as quickly as possible under normal conditions.
Under different conditions [For example: ambient air temperature other than 20 - 30°C (68 - 86°F)], diag-
nosis may also be performed.
Pattern 1:
●The engine is started at the engine coolant temperature of −10 to 35°C (14 to 95°F)
(where the voltage between the ECM terminal 72 and ground is 3.0 - 4.3V).
●The engine must be operated at idle speed until the engine coolant temperature is greater than
70°C (158°F) (where the voltage between the ECM terminal 72 and ground is lower than 1.4V).
Pattern 2:
●When steady-state driving is performed again even after it is interrupted, each diagnosis can be con-
ducted. In this case, the time required for diagnosis may be extended.
*1: Depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH), then release the accelerator pedal
and keep it released for more than 10 seconds. Depress the accelerator pedal until vehicle speed is 90 km/h
(56 MPH) again.
*2: Checking the vehicle speed with GST is advised.
Suggested Transmission Gear Position for A/T Models
Set the selector lever in the “D” position with the overdrive switch turned ON.
TEST VALUE AND TEST LIMIT (GST ONLY — NOT APPLICABLE TO CONSULT-II)
The following is the information specified in Mode 6 of ISO 15031-5.
The test value is a parameter used to determine whether a system/circuit diagnostic test is “OK” or “NG” while
being monitored by the ECM during self-diagnosis. The test limit is a reference value which is specified as the
maximum or minimum value and is compared with the test value being monitored.
Items for which these data (test value and test limit) are displayed are the same as SRT code items.
These data (test value and test limit) are specified by Test ID (TID) and Component ID (CID) and can be dis-
played on the GST screen.
×: Applicable —: Not applicable
SRT item Self-diagnostic test itemTest value (GST display)
Test limit Application
TID CID
CATALYST Three way catalyst function 01H 01H Max.×
HO2SHeated oxygen sensor 109H 04H Max.×
0AH 84H Min.×
0BH 04H Max.×
0CH 04H Max.×
0DH 04H Max.×
Heated oxygen sensor 219H 86H Min.×
1AH 86H Min.×
1BH 06H Max.×
1CH 06H Max.×
HO2S HTRHeated oxygen sensor 1 heater29H 08H Max.×
2AH 88H Min.×
Heated oxygen sensor 2 heater2DH 0AH Max.×
2EH 8AH Min.×

EC-48
[QG (WITH EURO-OBD)]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION
How to Erase DTC ( With CONSULT-II)
The emission related diagnostic information in the ECM can be erased by selecting “ERASE” in the “SELF-
DIAG RESULTS” mode with CONSULT-II.
If DTCs are displayed for both ECM and TCM (Transmission control module), they need to be erased individu-
ally from the ECM and TCM (Transmission control module).
NOTE:
If the DTC is not for A/T related items (see EC-10, "
INDEX FOR DTC" ), skip steps 2 through 4.
1. If the ignition switch stays “ON” after repair work, be sure to turn ignition switch “OFF” once. Wait at least
10 seconds and then turn it “ON” (engine stopped) again.
2. Turn CONSULT-II “ON” and touch “A/T”.
3. Touch “SELF-DIAG RESULTS”.
4. Touch “ERASE”. [The DTC in the TCM (Transmission control module) will be erased.] Then touch “BACK”
twice.
5. Touch “ENGINE”.
6. Touch “SELF-DIAG RESULTS”.
7. Touch “ERASE”. (The DTC in the ECM will be erased.)
How to Erase DTC ( With GST)
The emission related diagnostic information in the ECM can be erased by selecting Mode 4 with GST.
NOTE:
If the DTC is not for A/T related items (see EC-10, "
INDEX FOR DTC" ), skip step 2.
1. If the ignition switch stays “ON” after repair work, be sure to turn ignition switch “OFF” once. Wait at least
10 seconds and then turn it “ON” (engine stopped) again.
SEF966X