speed SUZUKI SX4 2006 1.G Service Repair Manual
[x] Cancel search | Manufacturer: SUZUKI, Model Year: 2006, Model line: SX4, Model: SUZUKI SX4 2006 1.GPages: 1556, PDF Size: 37.31 MB
Page 179 of 1556
Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-129
DTC P0480: Fan 1 (Radiator Cooling Fan) Control CircuitS6RW0D1104048
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Turn OFF ignition switch.
2) Clear DTC with ignition switch turned ON.
3) Run engine at idle speed.
4) Check DTC.3Wire harness check
1) Check that fuel level sensor signal circuit (“YEL/RED”
wire circuit) is in good condition.
Is it in good condition?Go to Step 4. Repair fuel level sensor
signal circuit.
4ECM power and ground circuit check
1) Check that ECM power and ground circuits are in good
condition referring to “ECM Power and Ground Circuit
Check”.
Are they in good condition?Substitute a known-
good ECM and recheck.Repair ECM power and/
or ground circuit. Step Action Yes No
E01C01
3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238 3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238
BLK/REDBLK/RED
BLK/YELBLK/YEL
BLK/YEL
BRN/WHT
12V
5V5V
26
E01-1
E01-60
C01-58
C01-15 C01-30
BLK/ORN
BLKBLK
BLK/RED
LT GRN
BLK/REDE01-16
E01-46
BLU/REDBLKGRY
LT GRN
ORN
C01-24
C01-55 3
4
5
E01-31 BLK
8 71
I6RW0D110041-01
1. Individual circuit fuse box No.1 4. Radiator cooling fan motor 7. “FI” fuse
2. Main relay 5. ECT sensor 8. “RDTR” fuse
3. Radiator cooling fan relay 6. ECM
DTC detecting condition Trouble area
Monitor signal of radiator cooling fan relay is different from
command signal.
(1 driving cycle detection logic)• Radiator cooling fan relay circuit malfunction
• Radiator cooling fan relay malfunction
• ECM malfunction
Page 184 of 1556
Downloaded from www.Manualslib.com manuals search engine 1A-134 Engine General Information and Diagnosis:
DTC P0500: Vehicle Speed Sensor (VSS) MalfunctionS6RW0D1104050
Wiring Diagram
DTC Detecting Condition and Trouble Area9Check A/C condenser cooling fan control
1) Ignition switch turned OFF.
2) Remove ECM from vehicle body referring to “Engine
Control Module (ECM) Removal and Installation in
Section 1C” and connect connectors to ECM.
3) Run engine and turn ON A/C and blower fan switch.
4) Measure voltage between vehicle body ground and
“E01-58” wire terminal of ECM connector.
Is voltage lower 1.5 V?Intermittent trouble.
Check for intermittent
refer to “Intermittent and
Poor Connection
Inspection in Section
00”. If OK, substitute a
known-good ECM and
recheck.Faulty ECM. Step Action Yes No
[B]
REDWHTC01-13C01-12REDWHT
PPL
5IG112 V
BLK/WHT
BLK/ORN
4
6 [A]
E01-3E01-18REDWHTREDWHT
E01C01
3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238 3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238
BLK
RED
WHT WHT
12V
12V
1
23
4
WHT/BLK
WHT BLKRED/BLK
I6RW0D110043-02
[A]: For M/T model 2. Front right side wheel speed sensor (VSS 2) 5. Output shaft speed sensor
[B]: For A/T model 3. ABS control module 6. TCM
1. Front left side wheel speed sensor (VSS 1) 4. ECM
DTC detecting condition Trouble area
Vehicle speed signal is not input while fuel is cut at deceleration
for 4 seconds at 3600 rpm or less.
(2 driving cycle detection logic)• Wheel speed sensor (VSS) (for M/T model)
• Wheel speed sensor circuit (for M/T model)
• ABS control module assembly (for M/T model)
• Output shaft speed sensor (for A/T model)
• Output shaft speed sensor circuit (for A/T
model)
• TCM malfunction (for A/T model)
• ECM malfunction
Page 185 of 1556
Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-135
DTC Confirmation Procedure
WARNING!
• When performing a road test, select a place where there is no traffic or possibility of a traffic
accident and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out by 2 persons, a driver and a tester.
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Warm up engine to normal operating temperature.
4) Drive vehicle at 4000 rpm (engine speed) with 3rd gear or “3” range.
5) Release accelerator pedal and with engine brake applied, keep vehicle coasting for 6 sec. or more (fuel cut
condition for 5 sec. or more) and stop vehicle.
6) Check pending DTC and DTC.
DTC Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions for DTC Troubleshooting”.
Step Action Yes No
1Was “Engine and Emission Control System Check”
performed?Go to Step 2. Go to “Engine and
Emission Control
System Check”.
2Vehicle speed signal check
Is vehicle speed displayed on scan tool in Step 4) and 5) of
“DTC Confirmation Procedure”?Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.For M/T model, go to
Ste p 3.
For A/T model, go to
Ste p 4.
3DTC check in ABS control module assembly
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check ABS control module assembly for DTC.
Is there any DTC(s) in ABS control module assembly?Go to applicable DTC
diag. flow.Substitute a known-
good ECM and recheck.
4DTC check in TCM
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check TCM for DTC.
Is DTC P0722 detected?Go to “DTC P0722:
Output Speed Sensor
(VSS) Circuit No Signal
in Section 5A”.Substitute a known-
good ECM and recheck.
Page 193 of 1556
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DTC P1510: ECM Back-Up Power Supply MalfunctionS6RW0D1104056
Wiring Diagram
Circuit Description
Battery voltage is supplied so that DTC memory, values for engine control learned by ECM, etc. are kept in ECM even
when the ignition switch is turned OFF.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC using scan tool and run engine at idle speed for 1 min.
3) Check DTC and pending DTC.
DTC Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions for DTC Troubleshooting”.
E01C01
3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238 3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238
WHT/REDWHT80A50A
3
21
E01-2
I6RW0D110046-02
1. ECM 2. “DOME” fuse 3. Main fuse box
DTC detecting condition Trouble area
Back-up power circuit voltage is less than specified value for 5 seconds while engine
is running.
(1 driving cycle detection logic)Battery voltage supply circuit
Step Action Yes No
1Was “Engine and Emission Control System Check”
performed?Go to Step 2. Go to “Engine and
Emission Control
System Check”.
Page 223 of 1556
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Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks
C01-1BLU/
YELFuel injector No.1
output10 – 14 V Ignition switch turned ON. —
*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.1: ”,
“Reference waveform
No.2: ” and
“Reference waveform
No.28: ”)Engine running at idle
after warmed up engine.Output signal is active low
pulse. Pulse frequency
varies depending on
engine speed.
C01-2BLU/
WHTFuel injector No.2
output10 – 14 V Ignition switch turned ON. —
*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.1: ” and
“Reference waveform
No.3: ”)Engine running at idle
after warmed up engine.Output signal is active low
pulse. Pulse frequency
varies depending on
engine speed.
C01-3GRN/
ORNEGR valve
(stepper motor coil
2) output (if
equipped)10 – 14 V Ignition switch turned ON. —
*0 – 1 V
↑↓
10 – 14 V
(“Reference
waveform No.4: ”)Ignition switch is turned to
ST (cranking) position.Output signal is active low
duty pulse. Number of
pulse generated times
varies depending on
vehicle condition.
C01-4GRN/
REDEGR valve
(stepper motor coil
1) output (if
equipped)10 – 14 V Ignition switch turned ON. —
*0 – 1 V
↑↓
10 – 14 V
(“Reference
waveform No.4: ”)Ignition switch is turned to
ST (cranking) position.Output signal is active low
duty pulse. Number of
pulse generated times
varies depending on
vehicle condition.
C01-5GRN/
WHTIgnition coil No.2
and No.3 output0 – 0.6 V Ignition switch turned ON. —
*0 – 0.6 V
↑↓
3 – 5 V
(“Reference
waveform No.5: ” and
“Reference waveform
No.6: ”)Engine running at idle
after warmed up engine.Output signal is active
high pulse. Pulse
frequency varies
depending on engine
speed.
C01-6GRN/
YELIgnition coil No.1
and No.4 output0 – 0.6 V Ignition switch turned ON. —
*0 – 0.6 V
↑↓
3 – 5 V
(“Reference
waveform No.6: ”,
“Reference waveform
No.7: ” and
“Reference waveform
No.28: ”)Engine running at idle
after warmed up engine.Output signal is active
high pulse. Pulse
frequency varies
depending on engine
speed.
C01-7 — — — — —
C01-8 — — — — —
C01-9 — — — — —
Page 224 of 1556
Downloaded from www.Manualslib.com manuals search engine 1A-174 Engine General Information and Diagnosis:
C01-10 WHTOxygen signal of
heated oxygen
sensor-10 – 1 V Ignition switch turned ON.
— *Deflects between
over 0.5 V and under
0.45 V
(“Reference
waveform No.8: ” and
“Reference waveform
No.9: ”)While engine running at
2,000 r/min. for 1 min. or
longer after warmed up.
C01-11 BRNOxygen signal of
heated oxygen
sensor-2 (if
equipped)4 – 5 V Ignition switch turned ON.
— *Deflects between
over 0.5 V and under
0.45 V
(“Reference
waveform No.10: ”)While engine running at
2,000 r/min. or more after
vehicle running over 30
km/h, 19 mph for 5 min.
C01-12 WHTCAN (low)
communication line
(active low signal)
to TCM (for A/T
model)*0.5 – 2.5 V
(“Reference
waveform No.23: ”)
Ignition switch turned ON
with engine stop.CAN communication line
signal is pulse. Pulse
signal displayed with a
regular frequency which
varies depending on
engine condition. C01-13 REDCAN (high)
communication line
(active high signal)
to TCM (for A/T
model)*2.5 – 4.5 V
(“Reference
waveform No.23: ”)
C01-14GRY/
REDOutput of 5 V
power source for
MAP sensor and A/
C refrigerant
pressure sensor (if
equipped with A/C)4.5 – 5.5 V Ignition switch turned ON. —
C01-15 BLK Ground for ECM Below 0.3 V Ignition switch turned ON. —
C01-16BLU/
REDFuel injector No.3
output10 – 14 V Ignition switch turned ON. —
*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.1: ” and
“Reference waveform
No.11: ”)Engine running at idle
after warmed up engine.Output signal is active low
pulse. Pulse frequency
varies depending on
engine speed.
C01-17BLU/
ORNFuel injector No.4
output10 – 14 V Ignition switch turned ON. —
*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.1: ” and
“Reference waveform
No.12: ”)Engine running at idle
after warmed up engine.Output signal is active low
pulse. Pulse frequency
varies depending on
engine speed.
C01-18BRN/
YELEGR valve
(stepper motor coil
4) output (if
equipped)10 – 14 V Ignition switch turned ON. —
*0 – 1 V
↑↓
10 – 14 V
(“Reference
waveform No.4: ”)Ignition switch is turned to
ST (cranking) position.Output signal is active low
duty pulse. Number of
pulse generated times
varies depending on
vehicle condition. Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks
Page 225 of 1556
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C01-19WHT/
REDEGR valve
(stepper motor coil
3) output (if
equipped10 – 14 V Ignition switch turned ON. —
*0 – 1 V
↑↓
10 – 14 V
(“Reference
waveform No.4: ”)Ignition switch is turned to
ST (cranking) position.Output signal is active low
duty pulse. Number of
pulse generated times
varies depending on
vehicle condition.
C01-20RED/
YELCMP sensor signal0 – 1 V or 4 – 5 V Ignition switch turned ON. —
*0 – 0.6 V
↑↓
4 – 5 V
(“Reference
waveform No.13: ”
and “Reference
waveform No.14: ”)Engine running at idle
after warmed up engine.Sensor signal is pulse.
Pulse frequency varies
depending on engine
speed.
(6 pulses are generated
per 1 camshaft revolution.)
C01-21 PNK CKP sensor signal0 – 1 V or 4 – 5 V Ignition switch turned ON. —
*4 – 5 V
↑↓
0 – 0.6 V
(“Reference
waveform No.13: ”
and “Reference
waveform No.14: ”)Engine running at idle
after warming up engine.Sensor signal is pulse.
Pulse frequency varies
depending on engine
speed.
(30 (36 – 6) pulses are
generated per 1
crankshaft revolution.)
C01-22 — — — — —
C01-23 — — — — —
C01-24 LT GRNEngine coolant
temp. (ECT)
sensor signal3.5 – 4.0 VIgnition switch turned ON,
ECT at 0 °C, 32 °F.
— 1.38 – 1.72 VIgnition switch turned ON,
ECT at 50 °C, 122 °F.
0.40 – 0.53 VIgnition switch turned ON,
ECT at 100 °C, 212 °F.
C01-25BLK/
YELIntake air temp.
(IAT) sensor signal3.18 – 3.67 VIgnition switch turned ON,
IAT at 0 °C, 32 °F.
— 1.32 – 1.65 VIgnition switch turned ON,
IAT at 40 °C, 104 °F.
0.46 – 0.60 VIgnition switch turned ON,
IAT at 80 °C, 176 °F.
C01-26GRN/
BLKMass air flow
(MAF) sensor
signal0.5 – 1.5 VIgnition switch turned ON
with engine at stop.
— 1.5 – 2.0 V
(“Reference
waveform No.15: ”)When engine running at
specified idle speed after
warmed up.
C01-27 GRYGround for MAF
sensorBelow 0.3 V Ignition switch turned ON. —
C01-28BLU /
YELGeneral control
signal output0 – 1 VEngine: Stop
IG switch: ON
—
10 – 14 VEngine: Idle speed after
warning up
C01-29BLU/
BLKEVAP canister
purge valve output10 – 14 VIgnition switch turned ON
with engine at stop.—
*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.16: ”)Set EVAP canister purge
valve at 52% by using
“Engine / Active Test” of
scan tool.Output signal is active low
duty pulse. Duty ratio
varies depending on
vehicle condition.
C01-30 BLK Ground for ECM Below 0.3 V Ignition switch turned ON. —
C01-31 — — — — —
C01-32 — — — — —
C01-33 — — — — — Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks
Page 227 of 1556
Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-177
C01-48YEL/
GRNStarting motor
signal0 – 1 V Ignition switch turned ON.
—
6 – 14 V While engine cranking.
C01-49 — — — — —
C01-50WHT/
BLUGround of ECM for
shield wireBelow 0.3 V Ignition switch turned ON. —
C01-51 — — — — —
C01-52 — — — — —
C01-53RED/
BLKManifold absolute
pressure (MAP)
sensor signal (if
equipped)Approx. 4 V
(“Reference
waveform No.17: ”)Ignition switch turned ON
with barometric pressure
at 100 kPa, 760 mmHg.
—
0.4 – 2.0 V
(“Reference
waveform No.18: ”)While engine running at
specified idle speed after
warmed up with
barometric pressure at
100 kPa, 760 mmHg.
C01c01-
54GRNThrottle position
sensor (main)
signal0.75 – 1.08 VIgnition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.
—
3.67 – 4.24 V
(“Reference
waveform No.29: ”)Ignition switch turned ON
and accelerator pedal at
full depressed position
after warmed up engine.
C01-55GRY/
BLUGround for sensors Below 0.3 V Ignition switch turned ON. —
C01-56 REDKnock sensor
signal2 – 3 V
(“Reference
waveform No.19: ”
and “Reference
waveform No.20: ”)Ignition switch turned ON.
— Engine running at 4000 r/
min. after warmed up.
C01-57 ORN Ground for sensors Below 0.3 V Ignition switch turned ON. —
C01-58BLK/
ORNGround for ECM Below 0.3 V Ignition switch turned ON. —
C01-59GRN/
WHTOil control valve
ground (for engine
with VVT system)Below 1.3 V Ignition switch turned ON. —
C01-60GRN/
REDOil control valve
output (for engine
with VVT system)*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.21: ”
and “Reference
waveform No.22: ”)At the moment of ignition
switch turned ON.Output signal is active
high pulse. Duty ratio
varies depending on
vehicle condition. Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks
Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks
E01-1BLK/
REDMain power supply 10 – 14 V Ignition switch turned ON. —
E01-2WHT/
REDPower source for
ECM internal
memory10 – 14 V Ignition switch turned ON. —
E01-3 REDCAN (high)
communication line
(active high signal)
to ABS control
module*2.5 – 4.5 V
(“Reference
waveform No.23: ”)Ignition switch turned ON
with engine at stop.CAN communication line
signal is pulse. Pulse
signal displayed with a
regular frequency with
varies depending on
engine condition.
Page 228 of 1556
Downloaded from www.Manualslib.com manuals search engine 1A-178 Engine General Information and Diagnosis:
E01-4 BRNEngine revolution
signal output for P/
S control module0 – 0.8 VIgnition switch turned ON
with engine at stop.—
*0 – 1 V
↑↓
8 – 14 V
(“Reference
waveform No.24: ”
and “Reference
waveform No.25: ”)While engine running.Output signal is pulse.
Pulse frequency varies
depending on engine
speed.
(2 pulses are generated
per 1 crankshaft
revolution.)
(3000 r/min. = 100 Hz)
E01-5 — — — — —
E01-6 — — — — —
E01-7 — — — — —
E01-8 — — — — —
E01-9 — — — — —
E01-10 — — — — —
E01-11 — — — — —
E01-12 — — — — —
E01-13YEL/
REDClock signal for
immobilizer coil
antenna10 – 14 V Ignition switch turned ON. —
E01-14 — — — — —
E01-15GRN/
WHTFuel pump relay
output0 – 2.5 VFor 2 sec. from the time
ignition switch is turned
ON or while engine is
running.
—
10 – 14 VOn and after 2 sec. from
the time ignition switch is
turned ON or while engine
is at stop.
E01-16BLK/
REDMain power supply 10 – 14 V Ignition switch turned ON. —
E01-17 — — — — —
E01-18 WHTCAN (low)
communication line
(active low signal)
to ABS control
module*0.5 – 2.5 V
(“Reference
waveform No.23: ”)Ignition switch turned ON
with engine at stop.CAN communication line
signal is pulse. Pulse
signal displayed with a
regular frequency which
varies depending on
engine condition.
E01-19 BLU/
WHTElectric load signal
for heater blower
motor10 – 14 VIG switch: ON Blower
selector < 3rd position
(Manual A/C model)
— IG switch: ON Blower
selector < 2nd position
(Auto A/C model)
0 – 1 VIG switch: ON Blower
selector > 2nd position
E01-20GRN/
WHTBrake light switch
signal0 – 1 VIgnition switch turned ON,
stop lamp not lit up.
—
10 – 14 VIgnition switch turned ON,
stop lamp lit up.
E01-21 — — — — —
E01-22 — — — — —
E01-23 — — — — —
E01-24YEL/
REDFuel level sensor
signal0 – 6 VIgnition switch turned ON.
Voltage varies depends on
fuel level.—
E01-25 — — — — — Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks
Page 229 of 1556
Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-179
E01-26RED/
BLUEPS signal10 – 14 V Ignition switch turned ON.
—
0 – 1 VWith engine running at idle
speed, and steering wheel
turned to the right or left as
far as it stops.
E01-27 — — — — —
E01-28YEL/
BLKSerial
communication line
for immobilizer coil
antenna10 – 14 V Ignition switch turned ON. —
E01-29BLK/
WHTIgnition switch
signal0 – 1 V Ignition switch turned OFF.
—
10 – 14 V Ignition switch turned ON.
E01-30 WHTStarting motor
control relay output0 – 1 V Ignition switch turned ON.
—
0 – 1 VIgnition switch is turned to
ST (engine cranking)
position.
E01-31 BLK Ground for ECM Below 0.3 V Ignition switch turned ON. —
E01-32 GRNPower supply of
throttle actuator
drive circuit10 – 14 V Ignition switch turned ON. —
E01-33 — — — — —
E01-34 REDOutput for 5 V
power source of
APP sensor (sub)4.5 – 5.5 V Ignition switch turned ON. —
E01-35 BRNOutput for 5 V
power source of
APP sensor (main)4.5 – 5.5 V Ignition switch turned ON. —
E01-36 YELAPP sensor (sub)
signal0.37 – 0.38 VIgnition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.
—
1.70 – 2.00 V
(“Reference
waveform No.30: ”)Ignition switch turned ON
and accelerator pedal at
full depressed position
after warmed up engine.
E01-37 GRNAPP sensor (main)
signal0.75 – 0.85 VIgnition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.
—
3.46 – 4.24 V
(“Reference
waveform No.30: ”)Ignition switch turned ON
and accelerator pedal at
full depressed position
after warmed up engine.
E01-38 — — — — —
E01-39 — — — — —
E01-40 — — — — —
E01-41 — — — — —
E01-42 — — — — —
E01-43 — — — — —
E01-44 — — — — —
E01-45 BRNThrottle actuator
control relay output0 – 1 V Ignition switch turned ON. — Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks