cruise control ISUZU KB P190 2007 Workshop Repair Manual
[x] Cancel search | Manufacturer: ISUZU, Model Year: 2007, Model line: KB P190, Model: ISUZU KB P190 2007Pages: 6020, PDF Size: 70.23 MB
Page 1297 of 6020
Engine Control System (4JH1) 6E-263
Checks Action
Fuel System Checks Inspect the fuel system for the following conditions. Refer to the Fuel System section.
• Inspect for water contamination in the fuel.
• Inspect for external fuel leaks or fuel leakage into the engine oil.
• Inspect the fuel lines between the fuel tank and fuel injection pump for tightness and
all fuel hoses for cuts, cracks and for the use of proper clamps.
Notice: The fuel system from the fuel tank(s) to the fuel injection pump is under a
slight vacuum with the engine running. As a result, air can enter the fuel system if
these connections are not tight. Air in the fuel system will cause fuel injection pump
internal pressure fluctuations especially at high engine speed and load.
• Inspect for air in the fuel system.
Notice: If many air bubbles appear in the fuel, check the fuel system line connections
between the fuel tank and the fuel injection pump for tightness and all fuel hoses for
cuts, cracks and for the use of proper clamps.
a. Remove the fuel hose that connects to the fuel injection pump suction side.
b. Substitute a clear hose.
Notice: A hose must be cleaned.
c. Connect the clear hose to the fuel injection pump.
d. Bleed the fuel system.
e. Let the engine run at idle for at least 2 minutes.
f. Accelerator the engine between idle and W .O.T. (accelerator pedal full travel) many times while observing the clear hose.
• Inspect the fuel tank vent hose for a plugged or kinked.
• Inspect inside the fuel tank for any foreign material that may be getting drawn into
the fuel line pickup causing a blocked condition. Draw fuel from the fuel tank at the
fuel line (as close to the fuel tank as possible) going to the fuel pickup tube to verify a
clean stream of fuel comes out (use the hand-held vacuum pump 5-8840-0279-0/J-
23738-A with a clear hose or equivalent). This will ensure the fuel pickup tube is not
cracked drawing air into the fuel line.
• Inspect the fuel injection pump operation.
Notice: The fuel injection pump must be timed to the engine.
Inspect the eye bolt for any type of restriction or collapsed gauze filter.
Notice: If any type of restriction found, check for a condition that causes contaminated
fuel, such as the customer is using an aftermarket fuel filter or extended maintenance
interval. Also inspect fuel waxing or icing that is caused by an incorrect fuel type used
in winter season or water intrusion in the fuel system.
Air Intake System Checks Inspect the air intake system for the following conditions.
• Inspect the air cleaner and air intake ducts for a restriction, holes, or leaks.
• Inspect for a restriction in the turbocharger inlet duct.
• Inspect for a restriction or deposit in the intake throttle bore.
• Inspect for a restriction or leak in the intake manifold.
• Inspect for a restriction or damage at mass air flow (MAF) sensor.
Additional Checks •
Inspect the generator output voltage. Repair if less than 9 volts or more than 16
volts.
• Electromagnetic interference (EMI) on the reference circuit can cause an engine
miss condition. The scan tool can usually detect EMI by monitoring the engine
speed. A sudden increase in speed with little change in actual engine speed change
indicates that EMI is present. If a problem exists, check routing of high voltage
components, such as fuel injection solenoid wiring, near the sensor circuits.
Surges/Chuggles
Checks Action
DIFINITION:The engine has a power variation under a steady throttle or cruise. The vehicle seems to speed up and slow down
with no change in the accelerator pedal.
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Page 1619 of 6020
6E-2 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
DTC P2127 or P2128 (Flash Code 122) . . . . 6E-265
DTC P2132 or P2133 (Flash Code 123) . . . . 6E-269
DTC P2138, P2139 or P2140 (Flash Code 124, 125 or 126) . . . . . . . . . . . . 6E-274
DTC P2146, P2147 or P2148 (Flash Code 158) . . . . . . . . . . . . . . . . . . . . . 6E-280
DTC P2149, P2150 or P2151 (Flash Code 159) . . . . . . . . . . . . . . . . . . . . . 6E-284
DTC P2227 (Flash Code 71) . . . . . . . . . . . . . 6E-288
DTC P2228 or P2229 (Flash Code 71) . . . . . 6E-291
DTC P2621 or P2622 (Flash Code 94) . . . . . 6E-295
DTC U0001 or U0101 Flash Code 84 or 85) . . . . . . . . . . . . . . . . . . 6E-298
DTC U0167 (Flash Code 177) . . . . . . . . . . . . 6E-299
EGR Control System Check. . . . . . . . . . . . . . 6E-300
Glow Control System Check . . . . . . . . . . . . . 6E-304
In-Tank Fuel Pump System Check . . . . . . . . . 6E-309
Cruise Control System Check . . . . . . . . . . . . 6E-312
Turbocharger Control System Check . . . . . . . 6E-318
Symptoms - Engine Controls . . . . . . . . . . . . . . 6E-321 Symptoms - Engine Controls . . . . . . . . . . . . . 6E-321
Intermittent Conditions . . . . . . . . . . . . . . . . . . 6E-323
Hard Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6E-326
Rough, Unstable, or Incorrect Idle and Stalling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6E-328
High Idle Speed . . . . . . . . . . . . . . . . . . . . . . . 6E-330
Cuts Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6E-331
Surges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6E-332
Lack of Power, Sluggishness or Sponginess . . . . . . . . . . . . . . . . . . . . . . . . . . 6E-334
Hesitation, Sag or Stumble. . . . . . . . . . . . . . . 6E-336
Abnormal Combustion Noise . . . . . . . . . . . . . 6E-338
Poor Fuel Economy . . . . . . . . . . . . . . . . . . . . 6E-339
Excessive Smoke (Black Smoke) . . . . . . . . . 6E-341
Excessive Smoke (White Smoke) . . . . . . . . . 6E-343
Repair Instructions . . . . . . . . . . . . . . . . . . . . . . 6E-345 Engine Control Module (ECM) Replacement . . . . . . . . . . . . . . . . . . . . . . . . . 6E-345
Service Programming System (SPS) Description . . . . . . . . . . . . . . . . . . . . . . . . . . 6E-347
Service Programming System (SPS) (Remote Procedure) . . . . . . . . . . . . . . . . . . . 6E-348
Service Programming System (SPS) (Pass-Thru Procedure) . . . . . . . . . . . . . . . . . 6E-349
Description and Operation . . . . . . . . . . . . . . . . 6E-351 Engine Control Module (ECM) Description . . 6E-351
Engine Control Component Description . . . . . 6E-353
Fuel System Description . . . . . . . . . . . . . . . . 6E-357
Fuel System Component Description. . . . . . . 6E-358
Fuel Injection System Description . . . . . . . . . 6E-362
Exhaust Gas Recirculation (EGR) System Description . . . . . . . . . . . . . . . . . . . . 6E-363
Turbocharger Description . . . . . . . . . . . . . . . . 6E-364
Special Tools and Equipment . . . . . . . . . . . . . . 6E-366 Special Tools and Equipment . . . . . . . . . . . . . 6E-366
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Page 1623 of 6020
6E-6 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
P0501 25 AAA Vehicle Speed Sensor Circuit Range/ Performance
P0512 417 C -- Starter Request Circuit
P0562 35 C AA System Voltage Low
P0563 35 C AA System Voltage High
P0565 515 D D- Cruise Control On Signal
P0566 516 D D- Cruise Control Off Signal
P0567 517 D D- Cruise Control Resume Signal
P0568 518 D D- Cruise Control Set Signal
P0571 26 D D- Brake Switch Circuit
P0601 53 C AA Internal Control Module Memory Check Sum Error
P0602 154 C AA Control Module Programming Error
P0604 153 C AA Internal Control Module RAM Error
P0606 51 C AA ECM Processor
P0615 19 C -- Starter Relay Circuit
P0633 176 C AA Immobilizer Not Programmed
P0638 61 A AA Throttle Actuator Control Range/ Performance
P0642 55 C AA Sensor Reference Voltage 1 Circuit Low
P0643 55 C AA Sensor Reference Voltage 1 Circuit High
P0650 77 A AA Malfunction Indicator Lamp (MIL) Control Circuit
P0652 56 A AA Sensor Reference Voltage 2 Circuit Low
P0653 56 A AA Sensor Reference Voltage 2 Circuit High
P0661 58 C AA Intake Manifold Turning Valve Control Circuit Low
P0662 58 C AA Intake Manifold Turning Valve Control Circuit High
P0698 57 A AA Sensor Reference Voltage 3 Circuit Low
P0699 57 A AA Sensor Reference Voltage 3 Circuit High
P0700 185 A A- Transmission Control System (MIL Request)
P1064 247 A AA Fuel Pressure Regulator Control Circuit
P1065 247 A AA Fuel Pressure Regulator Control Circuit
P1093 227 A AA Fuel Rail Pressure Too Low
P1094 226 A AAFuel Rail Pressure Too Low (FRP Regulator
Commanded High)
P1094 226 C AA Fuel Rail Pressure Too Low (Fuel Pressure Drop)
P1196 461 A AA Intake Throttle Solenoid Control Driver
P1197 461 A AA Intake Throttle Solenoid Control Driver
P1198 461 A AA Intake Throttle Solenoid Control Driver
P124B 157 C AA Injector Circuit Short Across Group 1 & 2
P1261 34 A AA Injector Positive Voltage Control Circuit Group 1
P1261 34 A AAInjector Positive Voltage Control Circuit (Supply Voltage
Low)
DTC
Flash
Code DTC Type
DTC Descriptor
Euro 4
Specification Except Euro 4
Specification
(High Output) Except Euro 4
Specification (Standard Output)
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Page 1634 of 6020
ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-17
Warning Lamps and Fuel Filter Switch
RTW76EXF004801
0.5
PNK/
WHT
Lamp
control SVS
26 0.3
PNK/
WHTB-24
B-56
0.5
YEL
5
71 0.5
BRN/
YEL
Lamp
control MIL
38 0.3
BRN/
YEL
9
57 0.5
ORN/
BLU
Lamp
control Glow
35 0.3
ORN/
BLU
8
51 0.5
GRN/
YEL
Lamp
control Cruise
set
23 0.5
GRN/
YEL
16
49 0.5
BRN/
RED
C-58
H-18
H-6
0.5
GRN/
WHT
Lamp
control Cruise
main
2 0.5
GRN/
WHT
12
50 H-18
B-23
Lamp
control Fuel
filter
26 0.3
BRN/
RED IP
cluster
ECM
11
69
5
8
C-14
Meter
10A
Fuel
filter
switch
H-9
(H-15)
3
(5)
H-4
5 H-9
5
(8)
E-90 ( )...Thailand equipment
59 C-1090.5
BLK
2
BLK/
YEL
0.85
BLK
0.5
PNK
0.3
PNK
0.5
PNK 2
BLK
0.85
BLK
3
BLK
F-12
2
F-12
1
Signal
+B
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ISUZU KB P190 2007
Page 1643 of 6020
6E-26 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
Brake Switch and Cruise Control
RTW76EXF004001
Brake
switch
C-44
4
C-44
3 Cruise
main
switch
Fuse /
relay
box
(Cabin)
4
3
3
1
4
2 0.5
GRY/
GRN
0.5
WHT/
GRN
0.5
GRN/
WHT
0.5
WHT/
GRN 6
12 0.3
GRN/
RED
0.3
RED/
GRN B-67
2
B-67
1
10
13
0.5
GRN/
WHT
H-18
50
0.5
WHT/
GRN
0.5
GRN 6
14
1
21 0.5
BRN/
YEL
9
29 Combination
switch
Set /
coast
switch
Resume /
accel.
switch
Cancel
switch
ECM
0.5
LT GRN
Set /
coast
switch
signal
Resume /
accel.
switch
signal
Cancel
switch
signal
IP cluster
Weld
splice2
Weld
splice 1
Cruise
main
switch
signal
Brake
switch 2
(Cruise release)
Brake
switch 1
(Stop lamp) B-59
C-58
12
30
0.5
WHT/
GRN
B-59
11
0.5
WHT/
GRN
0.5
WHT/
GRN
0.5
WHT/
GRN
0.5
RED
0.85
RED 0.85
GRN
H-7
C-107
9 C-6
Engine
10A
C-15
STOP
15A
Lamp
control
Except
Euro 4
Specification
Euro 4
Specification
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Page 1649 of 6020
6E-32 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
Engine Control Module (ECM)-J2
Pin No. Wire ColorPin Function
58 YEL CKP sensor signal
59 PNK Fuel filter switch signal
60 — Not used
61 BLU/ GRN IAT sensor low reference
62 BRN EGR drive voltage
63 YEL EGR control low side
64 BLK CMP sensor shield ground
65 — Not used
66 ORN/ BLK Turbocharger nozzle control
solenoid valve control
67 YEL Swirl control solenoid valve
control
68 WHT FRP sensor signal
69 BLK FRP sensor low reference
70 BLU/ RED FRP regulator low side
71 RED Cylinder #2 fuel injector charge
voltage
72 PNK Cylinder #4 fuel injector charge
voltage
73 BLK Ground
Connector No. C-58
Connector Color Black
Test Adapter No. J-35616-64A
Pin No. Wire Color Pin Function
1 ORN Brake switch 2 signal
2 BLK/ GRN Diagnostic request switch
RTW76ESH003101
12345678910111213141516
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
Pin No. Wire Color
Pin Function
3 RED/ GRN P or N range switch (A/T)
BLK/ WHT Neutral switch (M/T)
4 GRN/ BLK Thermo relay signal
5 — Not used
6 — Not used
7 BLU APP sensor 3 5V reference
8 BL/ UWHT APP sensor 3 signal
9 ORN APP sensor 2 5V reference
10 BLU/ GRN APP sensor 2 signal 11 WHT APP sensor 1 5V reference
12 RED APP sensor 1 signal
13 GRY/ GRN Cruise cancel switch signal
14 WHT/ GRN Cruise main switch signal
15 — Not used
16 — Not used
17 — Not used
18 — Not used
19 YEL Clutch switch signal
20 — Not used
21 RED Brake switch 1 signal
22 — Not used
23 BLU/ RED APP sensor 3 low reference
24 BLK APP sensor 3 shield ground
25 ORN/ BLU APP sensor 2 low reference
26 BLK APP sensor 2 shield ground
27 BLK APP sensor 1 low reference
28 BLK APP sensor 1 shield ground
29 BRN/ YEL Cruise resume switch signal
30 LT GRN Cruise set switch signal
31 — Not used
32 — Not used
33 BLK/ RED Engine speed signal output
34 — Not used
35 ORN/ BLU Starter cut relay control
36 — Not used
37 BLK/ BLU Glow relay control
38 — Not used
39 — Not used
40 — Not used
41 — Not used
42 — Not used
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Page 1650 of 6020
ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-33
Pin No. Wire ColorPin Function
43 — Not used
44 RED/ WHT Starter switch signal
45 BLU/ RED ECM main relay control
46 — Not used
47 — Not used
48 — Not used
49 GRN/ YEL Cruise set lamp control
50 GRN/ WHT Cruise main lamp control
51 — Not used
52 RED/ WHT Battery voltage (Back-up)
53 — Not used
54 ORN/ BLK Fuel pump relay control
55 GRY/ RED A/C compressor relay control
56 RED/ WHT Accelerator pedal position signal
output
57 BRN/ YEL MIL control
58 — Not used
59 — Not used
60 — Not used
61 — Not used
62 BLK/ YEL VSS signal
63 BLK Ground
64 — Not used
65 BLU/ RED ECM main relay control
66 YEL CAN High
67 BLU CAN Low
68 — Not used
69 BRN/ RED Fuel filter lamp control
70 ORN/ WHT Fuel consumption signal output
71 PNK/ WHT SVS lamp control (Euro 4
specification)
72 WHT/ GRN Ignition voltage
73 RED/ BLU Battery voltage
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Page 1653 of 6020
6E-36 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
Crankshaft Position (CKP) SensorCruise Main Switch
Data Link Connector (DLC)
Connector No.
E-39
Connector Color Black
Test Adapter No. J-35616-64A
Pin No. Wire Color Pin Function
1 WHT Sensor signal
2 BLK Sensor low reference
3 RED Sensor 5V reference
Connector No. E-52
Connector Color Black
Test Adapter No. J-35616-64A
Pin No. Wire Color Pin Function
1 YEL Sensor signal
2 BLU Sensor low reference
3 GRN Sensor 5V reference
RTW76ESH000701
123
Connector No. B-67
Connector Color White
Test Adapter No. J-35616-33
Pin No. Wire Color Pin Function
1 RED/ GRN Illumination lamp ground
2 GRN/ RED Illumination lamp voltage feed
3 WHT/ GRN Cruise main switch signal
4WHT/ GRN Cruise main switch ignition
voltage
5 — Not used
6 GRN/ WHT Cruise main switch ignition lamp
ground
RTW76ESH001101
123456
LNW36ESH015801
87654321
16151413121110
9
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Page 1666 of 6020
ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-49
Cam/ Crank Sensor Signal Synchronization Status Asynchronous/ No
Crank Signal/ Synchronous Synchronous Synchronous
Engine Runtime Time (hour: minute: second) Va r i e s
Va r i e s
Vehicle Speed km/h / MPH0 km/h / 0 MPH 0 km/h / 0 MPH
Transmission Gear Out of gear/ 1st/ 2nd/ 3rd/ 4th/ 5th Out of gear
Out of gear
Starter Switch On/OffOn On
Ignition Switch On/OffOn On
Ignition Voltage Volts11.0 to 15.0 volts 11.0 to 15.0 volts
Battery Voltage Volts11.0 to 15.0 volts 11.0 to 15.0 volts
Fuel Pump Relay Command On/ Off OnOn
Swirl Control Solenoid Command On/ Off OnOn
Fuel Filter Switch On/ OffOn On
A/C Request Signal On/ OffOff Off
A/C Relay Command On/ OffOff Off
Park/ Neutral Switch Neutral/ In Gear NeutralNeutral
Glow Relay Command On/ OffOff Off
Glow Plug Lamp Command On/ Off OffOff
Brake Switch 1 Applied/ Released Released Released
Brake Switch 2 Applied/ Released Released Released
Clutch Pedal Switch Applied/ Released ReleasedReleased
Cruise Main Lamp Command On/ Off OffOff
Cruise Main Switch On/ OffOff Off
Cruise Cancel Switch On/ OffOn On
Cruise Resume Switch On/ OffOff Off
Cruise Set Switch On/ OffOff Off
MIL Command (Malfunction Indicator Lamp) On/ Off
Off Off
SVS Lamp Command (Service Vehicle Soon) On/ Off
Off Off
Limp Home Mode None/ 1/ 2/ 3/ 4 None None
Distance While MIL is Activated km/ Mile 0 km/ 0 Mile0 km/ 0 Mile
Engine Runtime With MIL Active minutes 00
Total Engine Overspeed Event Counter VariesVaries
Total Engine Coolant
Overtemperature Event Counter
Varies Varies
Total Fuel Temperature
Overtemperatrure Event Counter
Varies Varies
Total Intake Air Temperature Overtemperaure Event Counter
Varies Varies
Immobilizer Function Programmed Ye s / N o
Ye s Ye s
Wrong Immobilizer Signal Yes/ NoNo No
Scan Tool Parameter Units Displayed Typical Data Value at Engine Idle Typical Data Value at 2000RPM
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Page 1670 of 6020
ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-53
Cam/ Crank Sensor Signal/ Synchronization Status
This parameter displays the synchronization state of
the crankshaft position (CKP) sensor signal and
camshaft position (CMP) sensor signal. Asynchronous
indicates the CMP sensor signal is not detected or only
CKP sensor signal is detected. No Crank Signal
indicates CMP sensor signal is detected but CKP
sensor signal is not detected. Synchronous indicates
both sensor signals are detected correctly.
Engine Runtime
This parameter displays the time elapsed since the
engine start. The scan tool will display the time in
hours, minutes and seconds. The engine run time will
reset to zero as soon as the ignition switch is OFF.
Vehicle Speed
This parameter indicates the vehicle speed calculated
by the ECM using the signal from the vehicle speed
sensor (VSS). The scan tool will display a low value at
lower vehicle speeds, and a high value at higher
vehicle speeds.
Transmission Gear
This parameter displays the estimated transmission
gear position as calculated by the ECM based on
inputs from the vehicle speed and the engine speed.
Starter Switch
This parameter displays the input status of the starter
switch to the ECM. When the ignition switch is turned at
START position, the scan tool displays On.
Ignition Switch
This parameter displays the input status of the ignition
switch to the ECM. When the ignition switch is turned
ON position, the scan tool displays On.
Ignition Voltage
This parameter displays the ignition voltage measured
at the ignition feed circuit of the ECM. Voltage is
applied to the ECM when the ignition switch is ON
position.
Battery Voltage
This parameter displays the battery voltage measured
at the ECM main relay switched voltage feed circuit of
the ECM. Voltage is applied to the ECM when the ECM
main relay is energized.
Fuel Pump Relay Command
This parameter displays the commanded state of the
fuel pump relay control circuit. On indicates the fuel
pump relay control circuit is being grounded by the
ECM, allowing fuel pumping from the tank.
Swirl Control Solenoid Command
This parameter displays the commanded state of the
swirl control solenoid control circuit. On indicates the
swirl control solenoid control circuit is being grounded
by the ECM, allowing vacuum pressure to the swirl
control
actuator. Fuel Filter Switch
This parameter displays the input state of the fuel
pressure switch to the ECM. When the large vacuum
pressure is generated in the fuel suction line such as
clogged fuel filter, the scan tool displays Off.
A/C Request Signal
This parameter displays the input state of the air
conditioning (A/C) request to the ECM from the
heating, ventilation, and air conditioning (HVAC)
controls. When the HVAC system is requesting to
ground the A/C compressor clutch, the scan tool
displays On.
A/C Relay Command
This parameter displays the commanded state of the A/
C compressor relay control circuit. On indicates the A/C
compressor relay control circuit is being grounded by
the ECM, allowing voltage to the A/C compressor.
Park/ Neutral Switch
This parameter displays the input state of the neutral
switch to the ECM. When the transmission gear is Park
or Neutral, the scan tool displays Neutral.
Glow Relay Command
This parameter displays the commanded state of the
glow relay control circuit. On indicates the glow relay
control circuit is being grounded by the ECM, allowing
voltage to the glow plugs.
Glow Plug Lamp Command
This parameter displays the commanded state of the
glow indicator lamp control circuit. The glow indicator
lamp should be On when the scan tool indicates
command On. The glow indicator lamp should be Off
when the scan tool indicates command Off.
Brake Switch 1
This parameter displays the input state of the brake
pedal switch 1 to the ECM. When the brake pedal is
depressed, scan tool displays Applied.
Brake Switch 2
This parameter displays the input state of the brake
pedal switch 2 to the ECM. When the brake pedal is
depressed, scan tool displays Applied.
Clutch Pedal Switch
This parameter displays the input state of the clutch
pedal switch to the ECM. When the clutch pedal is
depressed, scan tool displays Applied.
Cruise Main Lamp Command
This parameter displays the commanded state of the
cruise main lamp control circuit. The cruise main lamp
should be On when the scan tool indicates command
On. The cruise main lamp should be Off when the scan
tool indicates command Off.
Cruise Main Switch
This parameter displays the input state of the cruise
main switch to the ECM. When the Cruise Main switch
is pushed, the scan tool displays On.
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