6E-182 Engine Control System (4JH1)
DTC P1120 (Symptom Code 9) (Flash Code 21)
Circuit Description
The accelerator pedal position (APP) sensor is mounted
on the intake throttle assembly. The engine control
module (ECM) uses the APP sensors to determine the
amount of acceleration or deceleration desired by the
person driving the vehicle via the fuel injection control.
The APP sensor has the following circuits.
•
5 volts reference circuit
•
Low reference circuit
•
APP sensor signal circuit
The ECM provides 5 volts reference voltage through the
reference circuit to the APP sensor. The ECM monitors
the voltage on the 5 volts reference circuit. If the ECM
detects an excessively high APP sensor 5 volts
reference voltage, this DTC will set.
Condition for Running the DTC
•
The ignition switch is ON.
Condition for Setting the DTC
•
The ECM detects that the APP sensor voltage
supply circuit is less than 4.6 volts for 0.5 seconds.
Action Taken When the DTC Sets
•
The ECM illuminates the malfunction indicator
lamp (MIL) when the diagnostic runs and fails.
•
The ECM uses an engine speed substitution of
1400 RPM.
Condition for Clearing the MIL/DTC
•
The ECM turns OFF the MIL when the diagnostic
runs and does not fail.
•
A history DTC clears after 40 consecutive driving
cycles without a fault. Or clear with the scan tool.
Diagnostic Aids
•
If an intermittent condition is suspected, refer to
Intermittent Conditions in this section.
Test Description
The number below refers to the step number on the
diagnostic table.
3. If the APP sensor 5 volts reference circuit between
the ECM and the sensor is normal, the sensor signal
correlation DTC P1120 (Symptom Code E) will set.
DTC P1120 (Symptom Code 9) (Flash Code 21)
Schematic Reference:
Engine Controls Schematics
Connector End View Reference:
Engine Controls
Connector End Views or Engine Control Module (ECM)
Connector End Views
Step Action
Value(s)
Yes
No
1
Did you perform the Diagnostic System Check-
Engine Controls?
Go to Step 2
Go to Diagnostic
System Check-
Engine Controls
2
1. Install the scan tool.
2. Turn OFF the ignition for 30 seconds.
3. Start the engine.
4. Monitor the Diagnostic Trouble Code (DTC)
Information with the scan tool.
Does the DTC fail this ignition?
Go to Step 3
Go to Diagnostic
Aids
3
1. Turn OFF the ignition.
2. Disconnect the accelerator pedal position (APP)
sensor harness connector.
3. Turn ON the ignition, with the engine OFF.
4. Depress and release the accelerator pedal many
times.
5. Monitor the DTC Information with the scan tool.
Does DTC P1120 (Symptom Code E) set, but not
DTC P1120 (Symptom Code 9)?
Go to Step 5
Go to Step 4
4
1. Test the 5 volts reference circuit between the
engine control module (ECM) (pin 55 of C-56
connector) and the APP sensor (pin 3 of E-22
connector) for the following conditions:
•
A short to ground
•
A short to the low reference circuit
2. Repair the circuit(s) as necessary.
Did you find and correct the condition?
Go to Step 7
Go to Step 6
Содержание 4ja1
Страница 2: ......
Страница 33: ...ENGINE MECHANICAL 6A 11 Timing Gear Case Pulley Housing Timing Gear and Camshaft N m kg m lb ft RTW46AXF000601...
Страница 34: ...6A 12 ENGINE MECHANICAL Cooling and Lubricating System N m kg m lb ft RTW46AXF000701...
Страница 35: ...ENGINE MECHANICAL 6A 13 Intake Manifold 4JA1TC 4JH1TC N m kg m lb ft RTW36AXF000201...
Страница 36: ...6A 14 ENGINE MECHANICAL EGR Valve EGR Pipe EGR Cooler RTW46AXF000801...
Страница 37: ...ENGINE MECHANICAL 6A 15 Exhaust Manifold and Turbocharger 4JA1L RTW46AXF000901...
Страница 38: ...6A 16 ENGINE MECHANICAL Exhaust Manifold and Turbocharger 4JA1TC 4JH1TC N m kg m lb ft RTW86AXF000301...
Страница 39: ...ENGINE MECHANICAL 6A 17 Engine Electricals N m kg m lb ft RTW36AXF000501...
Страница 40: ...6A 18 ENGINE MECHANICAL Fuel Injection System 4JA1L N m kg m lb ft RTW86AXF000201...
Страница 41: ...ENGINE MECHANICAL 6A 19 Fuel Injection System 4JA1TC N m kg m lb ft RTW46AXF001201...
Страница 42: ...6A 20 ENGINE MECHANICAL Fuel Injection System 4JH1TC N m kg m lb ft RTW46AXF001301...
Страница 43: ...ENGINE MECHANICAL 6A 21 Engine Mounting Bracket N m kg m lb ft 022R300001...
Страница 162: ...MEMO...
Страница 187: ...FUEL SYSTEM 6C 5 For EURO III model RTW46AMF000201...
Страница 219: ...FUEL SYSTEM 6C 37 SPECIAL TOOLS ILLUSTRATION TOOL NUMBER TOOL NAME 5 8840 2602 0 J 39765 Remover fuel pump retainer ring...
Страница 220: ...MEMO...
Страница 224: ...6D 4 ENGINE ELECTRICAL CHARGING CIRCUIT DIAGRAM RTW46DSH005101 STARTING CIRCUIT DIAGRAM RTW46DSH005501...
Страница 225: ...ENGINE ELECTRICAL 6D 5 TORQUE SPECIFICATIONS GENERATOR N m kg m Ib ft RTW86DLF000101...
Страница 226: ...6D 6 ENGINE ELECTRICAL STARTER MOTOR N m kg m Ib ft RTW86DLF000201...
Страница 254: ...MEMO...
Страница 261: ...Engine Control System 4JH1 6E 7 Engine Controls Schematics Power Distribution 1 RTW86EXF004801...
Страница 262: ...6E 8 Engine Control System 4JH1 Power Distribution 2 RTW86EXF004901...
Страница 263: ...Engine Control System 4JH1 6E 9 Starting System RTW86EXF005001...
Страница 264: ...6E 10 Engine Control System 4JH1 Charging System RTW86EXF005101...
Страница 265: ...Engine Control System 4JH1 6E 11 ECM Power and PCU RTW86EXF003001...
Страница 266: ...6E 12 Engine Control System 4JH1 ECM Ground and DLC RTW86EXF005201...
Страница 267: ...Engine Control System 4JH1 6E 13 Gauges and Warning Lamps RTW86EXF003201...
Страница 268: ...6E 14 Engine Control System 4JH1 A C Neutral Switch Resister CKP Sensor APP Sensor and Idle Switch RTW86EXF003301...
Страница 269: ...Engine Control System 4JH1 6E 15 MAF IAT Vacuum Pressure and ECT Sensors RTW86EXF003401...
Страница 275: ...Engine Control System 4JH1 6E 21 1 Legend 1 Vehicle Speed Sensor VSS...
Страница 536: ...MEMO...
Страница 555: ...EXHAUST SYSTEM 6F 19 SPECIAL TOOLS ILLUSTRATION TOOL NUMBER TOOL NAME 901RX00143 5 8840 0075 0 Pressure Gauge...
Страница 558: ...6H 2 ACCELERATOR CONTROL REMOVAL AND INSTALLATION 4JA1T L RHD RTW46HLF000301...
Страница 559: ...ACCELERATOR CONTROL 6H 3 4JA1T L LHD RTW46HLF000601...
Страница 560: ...6H 4 ACCELERATOR CONTROL 4JA1TC 4JH1TC RHD RTW46HLF000201...
Страница 561: ...ACCELERATOR CONTROL 6H 5 4JA1TC 4JH1TC LHD PTW46BMF000101...
Страница 564: ...No TF4JE WE 1101...