battery NISSAN 350Z 2007 Z33 Engine Control Owner's Manual

TROUBLE DIAGNOSIS
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Revision: 2006 November2007 350Z
50 PU/WThrottle control motor
(Open) (bank 2)[Ignition switch: ON]

Engine stopped

Shift lever: D (A/T) or 1st (M/T)

Accelerator pedal: Fully depressed0 - 14V
[Ignition switch: ON]

Engine stopped

Shift lever: D (A/T) or 1st (M/T)

Accelerator pedal: Fully released0 - 14V
52 R/WThrottle control motor relay
power supply (bank 2)[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
53 P/L Ignition switch[Ignition switch: OFF]0V
[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
57 L A/F sensor 1 (bank 1)[Ignition switch: ON]2.2V
58 Y/GExhaust valve timing control
position sensor (bank 1)[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle.4.0 - 5.0V
[Engine is running]

Warm-up condition

Engine speed: 2,000 rpm4.0 - 5.0V
59 BR/YCamshaft position sensor
(PHASE) (bank 1)[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle.3.0 - 5.0V
[Engine is running]

Engine speed: 2,000 rpm3.0 - 5.0V TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB3539E
PBIB3540E
PBIB3551E
PBIB3552E
PBIB3553E
PBIB3554E

EC-112
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
81
82
85
86
89
90R/B
L/R
BR
W/B
G/Y
Y/RFuel injector No. 3
Fuel injector No. 6
Fuel injector No. 2
Fuel injector No. 5
Fuel injector No. 1
Fuel injector No. 4[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle.BATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Warm-up condition

Engine speed: 2,000 rpmBATTERY VOLTAGE
(11 - 14V)
83 GIntake air temperature sen-
sor (bank 2)[Engine is running]0 - 4.8V
Output voltage varies with intake
air temperature.
84 GSensor ground
(Heated oxygen sensor 2,
Engine coolant temperature
sensor, Engine oil tempera-
ture sensor)[Engine is running]

Warm-up condition

Idle speed0V
87 YPower steering pressure
sensor[Engine is running]

Steering wheel: Being turned0.5 - 4.5V
[Engine is running]

Steering wheel: Not being turned0.4 - 0.8V
88 LG/BSensor ground
[Exhaust valve timing con-
trol position sensor (bank 1),
Exhaust valve timing control
position sensor (bank 2)][Engine is running]

Warm-up condition

Idle speed0V
92 B/PSensor ground
[Camshaft position sensor
(PHASE) (bank 2)][Engine is running]

Warm-up condition

Idle speed0V
93 PPower supply for ECM
(Back-up)[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V)
94 L/YSensor ground
[Mass air flow sensor (bank
2)][Engine is running]

Warm-up condition

Idle speed0V
96 P/LSensor ground
[Camshaft position sensor
(PHASE) (bank 1), Power
steering pressure sensor][Engine is running]

Warm-up condition

Idle speed0V
97 RAccelerator pedal position
sensor 1[Ignition switch: ON]

Engine stopped

Accelerator pedal: Fully released0.5 - 1.0V
[Ignition switch: ON]

Engine stopped

Accelerator pedal: Fully depressed3.9 - 4.7V TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB3555E
PBIB3556E

TROUBLE DIAGNOSIS
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98 SBAccelerator pedal position
sensor 2[Ignition switch: ON]

Engine stopped

Accelerator pedal: Fully released1.95 - 2.40V
[Ignition switch: ON]

Engine stopped

Accelerator pedal: Fully depressed2.0 - 2.5V
99 LSensor power supply
(Accelerator pedal position
sensor 1)[Ignition switch: ON]5V
100 WSensor ground
(Accelerator pedal position
sensor 1)[Engine is running]

Warm-up condition

Idle speed0V
101 G/Y ASCD steering switch[Ignition switch: ON]

ASCD steering switch: OFF4V
[Ignition switch: ON]

MAIN switch: Pressed0V
[Ignition switch: ON]

CANCEL switch: Pressed1V
[Ignition switch: ON]

RESUME/ACCELERATE switch: Pressed3V
[Ignition switch: ON]

SET/COAST switch: Pressed2V
102 LGEVAP control system pres-
sure sensor[Ignition switch: ON]1.8 - 4.8V
103 GSensor power supply
(Accelerator pedal position
sensor 2)[Ignition switch: ON]5V
104 GYSensor ground
(Accelerator pedal position
sensor 2)[Engine is running]

Warm-up condition

Idle speed0V
105 L Refrigerant pressure sensor[Engine is running]

Warm-up condition

Both A/C switch and blower switch: ON
(Compressor operates.)1.0 - 4.0V
106 WFuel tank temperature sen-
sor[Engine is running]0 - 4.8V
Output voltage varies with fuel
tank temperature.
107 BRSensor power supply
(EVAP control system pres-
sure sensor)[Ignition switch: ON]5V
108 B/YSensor ground
(ASCD steering switch)[Engine is running]

Warm-up condition

Idle speed0V
109 BR PNP switch[Ignition switch: ON]

Shift lever: P or N (A/T), Neutral (M/T) posi-
tionBATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]

Shift lever: Except above position0V TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)

EC-114
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)110 Y Engine speed output signal[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle1V
[Engine is running]

Engine speed: 2,000 rpm1V
111 O RSensor power supply
(Refrigerant pressure sen-
sor)[Ignition switch: ON]5V
11 2 P USensor ground
(EVAP control system pres-
sure sensor)[Engine is running]

Warm-up condition

Idle speed0V
113 P CAN communication line — —
114 L CAN communication line — —
11 6 WSensor ground
(Refrigerant pressure sen-
sor)[Engine is running]

Warm-up condition

Idle speed0V
117 PU Data link connector[Ignition switch: ON]

GST: Disconnected5V - Battery voltage (11 - 14V)
121 LGEVAP canister vent control
valve[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
122 P/L Stop lamp switch[Ignition switch: OFF]

Brake pedal: Fully released0V
[Ignition switch: OFF]

Brake pedal: Slightly depressedBATTERY VOLTAGE
(11 - 14V)
123
124B/W
B/RECM ground[Engine is running]

Idle speedBody ground
125 R Power supply for ECM[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
126 L/OR ASCD brake switch[Ignition switch: ON]

Brake pedal: Slightly depressed (A/T)

Brake pedal and/or clutch pedal: Slightly
depressed (M/T)0V
[Ignition switch: ON]

Brake pedal: Fully released (A/T)

Brake pedal and clutch pedal: Fully released
(M/T)BATTERY VOLTAGE
(11 - 14V)
127
128B
BECM ground[Engine is running]

Idle speedBody ground TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB3557E
PBIB3558E

TROUBLE DIAGNOSIS
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ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
ItemDIAGNOSTIC TEST MODE
WORK
SUPPORTSELF-DIAGNOSTIC
RESULTS
DATA
MONI-
TORACTIVE
TESTDTC & SRT
CONFIRMATION
DTC*1FREEZE
FRAME
DATA*
2
SRT STA-
TUSDTC
WORK
SUP-
PORT
ENGINE CONTROL COMPONENT PARTS
INPUT
Crankshaft position sensor (POS)×××
Camshaft position sensor (PHASE)×××
Mass air flow sensor××
Engine coolant temperature sensor××××
Engine oil temperature sensor×
Air Fuel ratio (A/F) sensor 1××××
Heated oxygen sensor 2××××
Vehicle speed sensor×××
Accelerator pedal position sensor××
Throttle position sensor×××
Fuel tank temperature sensor×××
EVAP control system pressure sensor××
Intake air temperature sensor×××
Knock sensor×
Refrigerant pressure sensor×
Closed throttle position switch (accel-
erator pedal position sensor signal)×
Air conditioner switch×
Park/neutral position (PNP) switch××
Stop lamp switch××
Power steering pressure sensor××
Battery voltage×
Load signal×
Exhaust valve timing control position
sensor××
Fuel level sensor××
ASCD steering switch××
ASCD brake switch××
ASCD clutch switch××

TROUBLE DIAGNOSIS
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*: This function is not necessary in the usual service procedure.
SELF-DIAG RESULTS MODE
Self Diagnostic Item
Regarding items of DTC and 1st trip DTC, refer to EC-48, "EMISSION-RELATED DIAGNOSTIC INFORMA-
TION ITEMS" .)
Freeze Frame Data and 1st Trip Freeze Frame Data
EVAP SYSTEM CLOSE CLOSE THE EVAP CANISTER VENT CONTROL VALVE IN
ORDER TO MAKE EVAP SYSTEM CLOSE UNDER THE
FOLLOWING CONDITIONS.

IGN SW ON

ENGINE NOT RUNNING

AMBIENT TEMPERATURE IS ABOVE 0°C (32°F).

NO VACUUM AND NO HIGH PRESSURE IN EVAP SYS-
TEM

FUEL TANK TEMP. IS MORE THAN 0°C (32°F).

WITHIN 10 MINUTES AFTER STARTING EVAP SYS-
TEM CLOSE

WHEN TRYING TO EXECUTE EVAP SYSTEM CLOSE
UNDER THE CONDITION EXCEPT ABOVE, CONSULT-
III WILL DISCONTINUE IT AND DISPLAY APPROPRI-
ATE INSTRUCTION.
NOTE:
WHEN STARTING ENGINE, CONSULT-III MAY DIS-
PLAY “BATTERY VOLTAGE IS LOW. CHARGE BAT-
TERY”, EVEN IN USING CHARGED BATTERY.When detecting EVAP vapor leak
point of EVAP system
VIN REGISTRATION

IN THIS MODE, VIN IS REGISTERED IN ECM. When registering VIN in ECM
EXH V/T CONTROL LEARN

IN THIS MODE, OPERATION TO LEARN EXHAUST
VALVE TIMING CONTROL MAGNET RETARDER
CHARACTERISTIC.When learning the exhaust valve
timing control
TARGET IDLE RPM ADJ*

IDLE CONDITION When setting target idle speed
TARGET IGN TIM ADJ*

IDLE CONDITION When adjusting target ignition tim-
ing WORK ITEM CONDITION USAGE
Freeze frame data
item*Description
DIAG TROUBLE
CODE
[PXXXX]

The engine control component part/control system has a trouble code, it is displayed as PXXXX. (Refer to
EC-8, "
INDEX FOR DTC" .)
FUEL SYS-B1

“Fuel injection system status” at the moment a malfunction is detected is displayed.

One mode in the following is displayed.
Mode2: Open loop due to detected system malfunction
Mode3: Open loop due to driving conditions (power enrichment, deceleration enleanment)
Mode4: Closed loop - using oxygen sensor(s) as feedback for fuel control
Mode5: Open loop - has not yet satisfied condition to go to closed loop FUEL SYS-B2
CAL/LD VALUE [%]

The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP
[°C] or [°F]

The engine coolant temperature at the moment a malfunction is detected is displayed.
L-FUEL TRM-B1 [%]

“Long-term fuel trim” at the moment a malfunction is detected is displayed.

The long-term fuel trim indicates much more gradual feedback compensation to the base fuel schedule
than short-term fuel trim. L-FUEL TRM-B2 [%]
S-FUEL TRM-B1 [%]

“Short-term fuel trim” at the moment a malfunction is detected is displayed.

The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel
schedule. S-FUEL TRM-B2 [%]

EC-120
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
*: This item is the same as that of 1st trip freeze frame data.
DATA MONITOR MODE
Monitored Item
×: Applicable ENGINE SPEED
[rpm]

The engine speed at the moment a malfunction is detected is displayed.
VEHICL SPEED
[km/h] or [mph]

The vehicle speed at the moment a malfunction is detected is displayed.
ABSOL TH-P/S [%]

The throttle valve operating angle at the moment a malfunction is detected is displayed.
B/FUEL SCHDL
[msec]

The base fuel schedule at the moment a malfunction is detected is displayed.
INT/A TEMP SE
[°C] or [°F]

The intake air temperature at the moment a malfunction is detected is displayed. Freeze frame data
item*Description
Monitored item [Unit] Description Remarks
ENG SPEED [rpm]

Indicates the engine speed computed from the signals
of the crankshaft position sensor (POS) and camshaft
position sensor (PHASE).
Accuracy becomes poor if engine speed drops
below the idle rpm.

If the signal is interrupted while the engine is
running, an abnormal value may be indicated.
MAS A/F SE-B1 [V]

The signal voltage of the mass air flow sensor is dis-
played.

When the engine is stopped, a certain value is
indicated.

When engine is running specification range is
indicated in “SPEC”. MAS A/F SE-B2 [V]
B/FUEL SCHDL [msec]

“Base fuel schedule” indicates the fuel injection pulse
width programmed into ECM, prior to any learned on
board correction.
When engine is running specification range is
indicated in “SPEC”.
A/F ALPHA-B1 [%]

The mean value of the air-fuel ratio feedback correc-
tion factor per cycle is indicated.

When the engine is stopped, a certain value is
indicated.

This data also includes the data for the air-fuel
ratio learning control.

When engine is running specification range is
indicated in “SPEC”. A/F ALPHA-B2 [%]
COOLAN TEMP/S [°C]
or [°F]

The engine coolant temperature (determined by the
signal voltage of the engine coolant temperature sen-
sor) is displayed.
When the engine coolant temperature sensor
is open or short-circuited, ECM enters fail-safe
mode. The engine coolant temperature deter-
mined by the ECM is displayed.
A/F SEN1 (B1) [V]

The A/F signal computed from the input signal of the
A/F sensor 1 is displayed.
A/F SEN1 (B2) [V]
HO2S2 (B1) [V]

The signal voltage of the heated oxygen sensor 2 is
displayed.
HO2S2 (B2) [V]
HO2S2 MNTR(B1)
[RICH/LEAN]

Display of heated oxygen sensor 2 signal:
RICH: Means the amount of oxygen after three way
catalyst is relatively small.
LEAN: Means the amount of oxygen after three way
catalyst is relatively large.

When the engine is stopped, a certain value is
indicated.
HO2S2 MNTR(B2)
[RICH/LEAN]
VHCL SPEED SE [km/
h] or [mph]

The vehicle speed computed from the vehicle speed
signal sent from combination meter is displayed.
BATTERY VOLT [V]

The power supply voltage of ECM is displayed.
ACCEL SEN 1 [V]

The accelerator pedal position sensor signal voltage is
displayed.
ACCEL SEN 2 signal is converted by ECM
internally. Thus, it differs from ECM terminal
voltage signal. ACCEL SEN 2 [V]

TROUBLE DIAGNOSIS
EC-121
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Revision: 2006 November2007 350Z
TP SEN 1-B1 [V]
The throttle position sensor signal voltage is dis-
played.
THRTL SEN 2-B1 signal is converted by ECM
internally. Thus, it differs from ECM terminal
voltage signal. TP SEN 2-B1 [V]
FUEL T/TMP SE [°C]
or [°F]

The fuel temperature (determined by the signal volt-
age of the fuel tank temperature sensor) is displayed.
INT/A TEMP SE [°C] or
[°F]

The intake air temperature (determined by the signal
voltage of the intake air temperature sensor) is indi-
cated.
EVAP SYS PRES [V]

The signal voltage of EVAP control system pressure
sensor is displayed.
FUEL LEVEL SE [V]

The signal voltage of the fuel level sensor is displayed.
START SIGNAL [ON/
OFF]

Indicates start signal status [ON/OFF] computed by
the ECM according to the signals of engine speed and
battery voltage.
After starting the engine, [OFF] is displayed
regardless of the starter signal.
CLSD THL POS [ON/
OFF]

Indicates idle position [ON/OFF] computed by ECM
according to the accelerator pedal position sensor sig-
nal.
AIR COND SIG [ON/
OFF]

Indicates [ON/OFF] condition of the air conditioner
switch as determined by the air conditioner signal.
P/N POSI SW
[ON/OFF]

Indicates [ON/OFF] condition from the park/neutral
position (PNP) switch signal.
PW/ST SIGNAL [ON/
OFF]

[ON/OFF] condition of the power steering system
(determined by the signal voltage of the power steer-
ing pressure sensor) is indicated.
LOAD SIGNAL [ON/
OFF]

Indicates [ON/OFF] condition from the electrical load
signal.
ON: Rear window defogger switch is ON and/or light-
ing switch is in 2nd position.
OFF: Both rear window defogger switch and lighting
switch are OFF.
IGNITION SW
[ON/OFF]

Indicates [ON/OFF] condition from ignition switch sig-
nal.
HEATER FAN SW
[ON/OFF]

Indicates [ON/OFF] condition from the heater fan
switch signal.
BRAKE SW
[ON/OFF]

Indicates [ON/OFF] condition from the stop lamp
switch signal.
INJ PULSE-B1 [msec]

Indicates the actual fuel injection pulse width compen-
sated by ECM according to the input signals.
When the engine is stopped, a certain com-
puted value is indicated.
INJ PULSE-B2 [msec]
IGN TIMING [BTDC]

Indicates the ignition timing computed by ECM
according to the input signals.
When the engine is stopped, a certain value is
indicated.
CAL/LD VALUE [%]

“Calculated load value” indicates the value of the cur-
rent air flow divided by peak air flow.
MASS AIRFLOW [g·m/
s]

Indicates the mass air flow computed by ECM accord-
ing to the signal voltage of the mass air flow sensor.
PURG VOL C/V [%]

Indicates the EVAP canister purge volume control
solenoid valve control value computed by the ECM
according to the input signals.

The opening becomes larger as the value increases.
INT/V TIM(B1) [°CA]

Indicates [°CA] of intake camshaft advanced angle.
INT/V TIM(B2) [°CA]
EXH/V TIM B1 [°CA]

Indicates [°CA] of exhaust camshaft retarded angle.
EXH/V TIM B2 [°CA] Monitored item [Unit] Description Remarks

EC-126
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
INSPECTION PROCEDURE
1. Turn ignition switch OFF.
2. Connect GST to data link connector (1), which is located under
LH dash panel near the hood opener handle.
3. Turn ignition switch ON.
4. Enter the program according to instruction on the screen or in
the operation manual.
(*: Regarding GST screens in this section, sample screens are
shown.)
Service $04 CLEAR DIAG INFOThis diagnostic service can clear all emission-related diagnostic information. This
includes:

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 mode 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. Diagnostic test mode Function
2 : Hood opener handle
PBIB3500E
SEF398S

TROUBLE DIAGNOSIS
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5. Perform each diagnostic mode according to each service proce-
dure.
For further information, see the GST Operation Manual of
the tool maker.
CONSULT-III Reference Value in Data MonitorNBS0003P
Remarks:

Specification data are reference values.

Specification data are output/input values which are detected or supplied by the ECM at the connector.
* Specification data may not be directly related to their components signals/values/operations.
i.e. Adjust ignition timing with a timing light before monitoring IGN TIMING, because the monitor may show the specification data in
spite of the ignition timing not being adjusted to the specification data. This IGN TIMING monitors the data calculated by the ECM
according to the signals input from the camshaft position sensor and other ignition timing related sensors.
SEF416S
MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED

Run engine and compare CONSULT-III value with the tachometer indica-
tion.Almost the same speed as the
tachometer indication
MAS A/F SE-B1 See EC-132, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
MAS A/F SE-B2 See EC-132, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
B/FUEL SCHDL See EC-132, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
A/F ALPHA-B1
A/F ALPHA-B2See EC-132, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
COOLAN TEMP/S

Engine: After warming up More than 70°C (158°F)
A/F SEN1 (B1)
A/F SEN1 (B2)

Engine: After warming up Maintaining engine speed at 2,000 rpm Fluctuates around 2.2V
HO2S2 (B1)
HO2S2 (B2)

Revving engine from idle to 3,000 rpm quickly after the following conditions
are met
–Engine: After warming up
–Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and
at idle for 1 minute under no load0 - 0.3V ←→ Approx. 0.6 -
1.0V
HO2S2 MNTR(B1)
HO2S2 MNTR(B2)

Revving engine from idle to 3,000 rpm quickly after the following conditions
are met
–Engine: After warming up
–Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and
at idle for 1 minute under no loadLEAN ←→ RICH
VHCL SPEED SE

Turn drive wheels and compare CONSULT-III value with the speedometer
indication.Almost the same speed as the
speedometer indication
BATTERY VOLT

Ignition switch: ON (Engine stopped) 11 - 14V
ACCEL SEN 1

Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released 0.5 - 1.0V
Accelerator pedal: Fully depressed 4.0 - 4.8V
ACCEL SEN 2*
1
Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released 0.3 - 1.2V
Accelerator pedal: Fully depressed 3.9 - 4.8V
TP SEN 1-B1
TP SEN 2-B1*
1

Ignition switch: ON
(Engine stopped)

Shift lever: D (A/T) or 1st (M/T)
positionAccelerator pedal: Fully released More than 0.36V
Accelerator pedal: Fully depressed Less than 4.75V
FUEL T/TMP SE

Ignition switch: ONIndicates fuel tank tempera-
ture
INT/A TEMP SE

Ignition switch: ONIndicates intake air tempera-
ture