Electronic Engine Controls - 4.0L
- Specifications
- Description and Operation
- Notes
- Powertrain Control Module (PCM)
- Engine Coolant Temperature Sensor
- Heated Oxygen Sensor (HO2S)
- Camshaft Position (CMP) Sensor
- Crankshaft Position (CKP) Sensor
- Mass Air Flow (MAF) Sensor
- Throttle Position (TP) Sensor
- Intake Air Temperature (IAT) Sensor
- Power Steering Pressure (PSP) Switch
- Variable Camshaft Timing (VCT) Solenoid
- Knock Sensor Control
- Diagnosis and Testing
- Notes
- Diagnostic Trouble Codes
- Connector Views
- Pinpoint Test
- Pinpoint Test A: DTC P0102, P0103
- A1: Check The Voltage Supply To The Mass Air Flow (MAF) Sensor
- A2: Check The Mass Air Flow (MAF) Sensor Ground Circuit For Open
- A3: Check The Continuity Of The Mass Air Flow (MAF) Sensor Signal Ground Circuit
- A4: Check The Mass Air Flow (MAF) Sensor Signal Ground Circuit For Short To Ground
- A5: Check The Mass Air Flow (MAF) Sensor Signal Circuit For Open
- A6: Check The Mass Air Flow (MAF) Sensor Signal Circuit For Short To Ground
- Pinpoint Test B: DTC P0112, P0113, P1112
- B1: Carry Out An Air Intake System Check
- B2: Check The Resistance Of The Intake Air Temperature (IAT) Sensor
- B3: Check The Intake Air Temperature (IAT) Supply Voltage
- B4: Check The Intake Air Temperature (IAT) Supply Circuit For Open
- B5: Check The Intake Air Temperature (IAT) Supply Circuit For Short To Ground
- B6: Check The Intake Air Temperature (IAT) Signal Ground Circuit For Open
- B7: Check The Intake Air Temperature (IAT) Signal Ground Circuit For Short To Ground
- Pinpoint Test C: DTC P0117, P0118, P1117
- C1: Check The Voltage Supply To The Engine Coolant Temperature (ECT) Sensor
- C2: Check The Engine Coolant Temperature (ECT) Supply Circuit For Open
- C3: Check The Engine Coolant Temperature (ECT) Supply Circuit For Short To Ground
- C4: Check The Engine Coolant Temperature (ECT) Signal Ground Circuit For Open
- C5: Check The Engine Coolant Temperature (ECT) Signal Ground Circuit For Short To Ground
- Pinpoint Test D: DTC P1121, P0122, P0123, P0124
- D1: Check The Voltage Supply To The Throttle Position (TP) Sensor At Pin 4
- D2: Check The Voltage Supply To The Throttle Position (TP) Sensor At Pin 3
- D3: Check The Voltage Supply To The Throttle Position (TP) Sensor For Open
- D4: Check The Voltage Supply To The Throttle Position (TP) Sensor For Short To Ground
- D5: Check The Throttle Position Sensor Signal Ground Pin 7 Wire For Open
- D6: Check The Throttle Position Sensor For Open At Pin 10
- D7: Check The Throttle Position Sensor For Open At Pin 1
- D8: Check The Throttle Position Sensor For Open At Pin 2
- D9: Check The Throttle Position Sensor For Open At Pin 6
- D10: Check The Throttle Position Sensor For Short To Ground At Pin 6
- D11: Check The Throttle Position Sensor For Short To Ground At Pin 2
- D12: Check The Throttle Position Sensor For Short To Ground At Pin 1
- D13: Check The Throttle Position Sensor For Short To Ground At Pin 10
- D14: Check The Throttle Position Sensor Signal Ground Pin 7 Wire For Short To Ground
- Pinpoint Test E: DTC P0131, P0132, P0135
- E1: Check The Voltage And Signal Ground Supply To The Oxygen Sensor
- E2: Check The Oxygen Sensor Voltage Supply Circuit
- E3: Check The Oxygen Sensor Heater Continuity
- E4: Check The Oxygen Sensor For Failure
- E5: Check The Oxygen Sensor For Failure
- E6: Check The Oxygen Sensor For Failure
- E7: Check The Heated Oxygen Sensor For Short To Ground
- E8: Check The Oxygen Sensor Signal Ground Circuit For Open
- E9: Check The Oxygen Sensor Input Circuit For Open
- E10: Check The Oxygen Sensor Circuit For Short To Ground
- E11: Check The Oxygen Sensor Heater Circuit For Open
- E12: Check The Oxygen Sensor Heater Circuit For Short To Ground
- E13: Check The Oxygen Sensor Signal Ground Circuit For Short To Ground
- Pinpoint Test F: DTC P0136, P0138, P0141
- F1: Check The Voltage And Signal Ground Supply To The Catalyst Monitor Sensor
- F2: Check The Catalyst Monitor Sensor Voltage Supply Circuit
- F3: Check The Catalyst Monitor Sensor Heater Continuity
- F4: Check The Catalyst Monitor Sensor For Failure
- F5: Check The Catalyst Monitor Sensor For Failure
- F6: Check The Catalyst Monitor Sensor For Failure
- F7: Check The Catalyst Monitor Sensor For Short To Ground
- F8: Check The Catalyst Monitor Sensor Signal Ground Circuit For Open
- F9: Check The Catalyst Monitor Sensor Input Circuit For Open
- F10: Check The Catalyst Monitor Sensor Circuit For Short To Ground
- F11: Check The Catalyst Monitor Heater Output Circuit For Open
- F12: Check The Oxygen Sensor Heater Circuit For Short To Ground
- F13: Check The Catalyst Monitor Sensor Signal Ground Circuit For Short To Ground
- Pinpoint Test G: DTC, P0151, P0152, P0155
- G1: Check The Voltage And Signal Ground Supply To The Oxygen Sensor
- G2: Check The Oxygen Sensor Voltage Supply Circuit
- G3: Check The Oxygen Sensor Heater Continuity
- G4: Check The Oxygen Sensor For Failure
- G5: Check The Oxygen Sensor For Failure
- G6: Check The Oxygen Sensor For Failure
- G7: Check The Heated Oxygen Sensor For Short To Ground
- G8: Check The Oxygen Sensor Signal Ground Circuit For Open
- G9: Check The Oxygen Sensor Input Circuit For Open
- G10: Check The Oxygen Sensor Circuit For Short To Ground
- G11: Check The Oxygen Sensor Heater Circuit For Open
- G12: Check The Oxygen Sensor Heater Circuit For Short To Ground
- G13: Check The Oxygen Sensor Signal Ground Circuit For Short To Ground
- Pinpoint Test H: DTC P0156, P0158, P0161
- H1: Check The Voltage And Signal Ground Supply To The Catalyst Monitor Sensor
- H2: Check The Catalyst Monitor Sensor Voltage Supply Circuit
- H3: Check The Catalyst Monitor Sensor Heater Continuity
- H4: Check The Catalyst Monitor Sensor For Failure
- H5: Check The Catalyst Monitor Sensor For Failure
- H6: Check The Catalyst Monitor Sensor For Failure
- H7: Check The Catalyst Monitor Sensor For Short To Ground
- H8: Check The Catalyst Monitor Sensor Signal Ground Circuit For Open
- H9: Check The Catalyst Monitor Sensor Circuit For Open
- H10: Check The Catalyst Monitor Sensor Circuit For Short To Ground
- H11: Check The Catalyst Monitor Sensor Heater Circuit For Open
- H12: Check The Oxygen Sensor Heater Circuit For Short To Ground
- H13: Check The Catalyst Monitor Sensor Signal Ground Circuit For Short To Ground
- Pinpoint Test I: DTC P0180
- Pinpoint Test J: DTC P1183, P1184
- Pinpoint Test K: DTC P0325
- K1: Check The Knock Sensor For Correct Installation
- K2: Check The Resistance Of The Knock Sensor
- K3: Check The Knock Sensor Input Circuit For Open
- K4: Check The Knock Sensor Input Circuit For Short To Ground
- K5: Check The Knock Sensor Signal Ground Circuit For Open
- K6: Check The Knock Sensor Signal Ground Circuit For Short To Ground
- Pinpoint Test L: DTC P0330
- L1: Check The Knock Sensor For Correct Installation
- L2: Check The Resistance Of The Knock Sensor
- L3: Check The Knock Sensor Input Circuit For Open
- L4: Check The Knock Sensor Input Circuit For Short To Ground
- L5: Check The Knock Sensor Signal Ground Circuit For Open
- L6: Check The Knock Sensor Signal Ground Circuit For Short To Ground
- Pinpoint Test M: DTC P0340
- M1: Check The Camshaft Position Sensor For Correct Installation
- M2: Check The Resistance Of The Camshaft Position Sensor
- M3: Check The Camshaft Position Sensor Signal Ground Circuit For Open
- M4: Check The Camshaft Position Sensor Input Circuit For Open
- M5: Check The Camshaft Position Sensor Input Circuit For Short To Ground
- M6: Check The Camshaft Position Sensor Signal Ground Circuit For Short To Ground
- Pinpoint Test N: DTC P0341
- N1: Check The Camshaft Position Sensor For Correct Installation
- N2: Check The Resistance Of The Camshaft Position Sensor
- N3: Check The Camshaft Position Sensor Signal Ground Circuit For Open
- N4: Check The Camshaft Position Sensor Input Circuit For Open
- N5: Check The Camshaft Position Sensor Input Circuit For Short To Ground
- N6: Check The Camshaft Position Sensor Signal Ground Circuit For Short To Ground
- Pinpoint Test O: DTC P1380
- O1: Check The Resistance Of The Variable Camshaft Timing Oil Control Solenoid
- O2: Check The Voltage Supply To The Variable Camshaft Timing Oil Control Solenoid At Pin 1
- O3: Check The Variable Camshaft Timing Oil Control Solenoid Output Circuit For Open
- O4: Check The Variable Camshaft Timing Oil Control Solenoid Output Circuit For Short To Ground
- Pinpoint Test P: DTC P1385
- P1: Check The Resistance Of The Variable Camshaft Timing Oil Control Solenoid
- P2: Check The Voltage Supply To The Variable Camshaft Timing Oil Control Solenoid At Pin 1
- P3: Check The Variable Camshaft Timing Oil Control Solenoid Output Circuit For Open
- P4: Check The Variable Camshaft Timing Oil Control Solenoid Output Circuit For Short To Ground
- Pinpoint Test Q: DTC P1633
- Pinpoint Test A: DTC P0102, P0103
- Component Test
- Removal and Installation
- Air Assisted Injector Control Valve
- Camshaft Position (CMP) Sensor LH
- Camshaft Position (CMP) Sensor RH
- Catalyst Monitor Sensor
- Crankshaft Position (CKP) Sensor
- Engine Coolant Temperature (ECT) Sensor
- Fuel Temperature Sensor
- Heated Oxygen Sensor (HO2S)
- Knock Sensor (KS) LH
- Knock Sensor (KS) RH
- Mass Air Flow (MAF) Sensor
- Powertrain Control Module (PCM)
- Throttle Position (TP) Sensor
- Variable Camshaft Timing (VCT) Oil Control Solenoid (18.30.90)