3.0L MPFI Tests W/Codes
- Description
- Operation
- Air Conditioning (A/C) Clutch Relay
- Auto Shutdown (ASD) Relay
- Automatic Idle Speed (AIS) Motor
- Canister Purge Solenoid
- Check Engine Light
- Coolant Temperature Sensor
- Distance (Speed) Sensor
- Limp-In Mode
- Manifold Absolute Pressure (Map) Sensor
- Oxygen Sensor
- Single Board Engine Controller (SBEC)
- Throttle Position Sensor (TPS)
- Removal & Installation
- Testing & Diagnosis
- Preliminary Checks
- System Diagnosis
- Diagnostic Procedure
- Entering On-Board Diagnostics
- Check Engine Light Diagnostic Mode
- DRB-II Diagnostic Mode
- DRB-II Switch Test Mode
- DRB-II Read Input States
- DRB-II Read Output States
- DRB-II Actuate Solenoids & Relays
- DRB-II Actuate Outputs
- DRB-II Read Sensor Voltages
- DRB-II Read Sensor Values
- DRB-II Set Engine RPM
- DRB-II Minimum Airflow Speed
- DRB-II Emissions EMR Tests
- DRB-II Read Module Information
- DRB-II Problems & Error Messages
- Clearing Codes
- Vehicle Security System Diagnosis
- Diagnostic Trouble Codes (DTC) Identification
- No Start Test
- NS-1 - Checking For Ignition Spark & Z1 Power
- NS-2 - Checking Fuel Pressure, Throttle Position Sensor & Power Supply To Injectors
- NS-3 - Checking For Wet Plugs, Valve & Ignition Timing
- NS-4 - Checking DRB-II, Z1 Power & Fuel Filter
- NS-5 - Checking For Defective Coil Or Control Circuitry
- NS-6 - Checking Injector Control Circuit & Controller
- NS-7 Checking DRB-II & System Faults
- NS-8 - Checking Power Supply, Map Sensor, Ground Circuit & Engine Controller
- NS-9 - Checking Control Circuits To Distributor Pick-Up, Distributor Pick-Up & Engine Controller
- NS-10 - Checking ASD Relay & Circuitry
- NS-11 - Checking ASD Relay & Z1 Circuitry
- NS-VER - No Start Verification
- DRIVEABILITY Test
- Dr-1 - Checking System For Faults
- Dr-2 - Checking Output Circuits Of SBEC
- Dr-2 - Checking Brake Switch Input Circuit To SBEC
- Dr-2 - Checking Switch Inputs To SBEC
- Dr-2 - Checking A/C Push Button Switch Input
- Dr-2 - Checking AIS Motor Operation
- Dr-2 - Checking For Defective Injectors
- Dr-2 - Checking SBEC Ground Circuits
- Dr-3 - Intermittent Test For Solenoids & Relays
- Dr-4 - Intermittent Test For Map Sensor Signal
- Dr-5 - Intermittent Test For Sensor Voltages
- Dr-6 - Intermittent Test For Injectors & AIS Motor
- Dr-7 - Intermittent Test For Distributor Sync Pick-Up
- Dr-8 - Checking For Fault Message "Map Pneumatic Signal" (DTC 13)
- Dr-9 - Checking For Fault Message "Map Pneumatic Change" (DTC 13)
- Dr-10 - Checking For Fault Message "Map Voltage Too Low" (DTC 14)
- Dr-11 - Checking For Fault Message "Map Voltage Too High" (DTC 14)
- Dr-12 - Checking For Fault Message "Vehicle Speed Signal" (DTC 15)
- Dr-13 - Checking For Fault Message "Oxygen Sensor Signal" (DTC 21)
- Dr-14 - Checking For Fault Message "Coolant Voltage Low" (DTC 22)
- Dr-15 - Checking For Fault Message "Coolant Voltage High" (DTC 22)
- Dr-16 - Checking For Fault Message "TPS Voltage Low" (DTC 24)
- Dr-17 - Checking For Fault Message "TPS Voltage High" (DTC 24)
- Dr-18 - Checking For Fault Message "AIS Motor Circuits" (DTC 25)
- DR-19 - CHECKING INJECTOR CONTROL CIRCUIT & INJECTOR PEAK CURRENT FAULTS (DTCs 26 & 27)
- DR-20 - CHECKING INJECTOR CONTROL CIRCUIT & INJECTOR PEAK CURRENT FAULTS (DTCs 26 & 27)
- DR-21 - CHECKING INJECTOR CONTROL CIRCUIT & INJECTOR PEAK CURRENT FAULTS (DTCs 26 & 27)
- Dr-22 - Checking For Fault Message "Purge Solenoid CKT" (DTC 31)
- Dr-23 - Checking For Fault Message "EGR Solenoid Circuit" (DTC 32)
- Dr-24 - Checking For Fault Message "EGR System Failure" (DTC 32)
- Dr-25 - Checking For Fault Message "A/C Clutch Relay CKT" (DTC 33)
- Dr-26 - Checking For Fault Message "A/C Clutch Relay CKT - A Body" (DTC 33)
- Dr-27 - Checking For Fault Message "Radiator Fan Relay" (DTC 35)
- Dr-28 - Checking For Fault Message "Sync Pick-Up Signal" (DTC 54)
- Dr-29 - Checking Sensor Calibrations (Cold Engine)
- Dr-29 - Checking Spark Plugs (Cold Engine)
- Dr-30 - Checking Sensor Calibrations (Warm Engine)
- Dr-31 - Checking EGR Valve Operation (Warm Engine)
- Dr-32 - Checking Secondary Ignition System
- Dr-33 - Checking Basic Timing & Fuel System
- Dr-34 - Checking O2 Sensor Operation
- Dr-35 - Checking Throttle Body Minimum Airflow
- Dr-36 - Other Possible Causes Of DRIVEABILITY Related Problems
- Verification Test
- Speed Control Test
- SP-1 - Checking Speed Control System For Fault Messages
- SP-2 - Checking For Fault Message "S/C Servo Solenoids" (DTC 34)
- SP-3 - Testing Speed Control Switch
- SP-4 - Testing Brake Switch Circuit
- SP-4 - Testing Park/Neutral Input
- SP-4 - Testing Servo Ground
- SP-4 - Servo Actuator Test
- SP-5 - Check On/Off Switch & Stalk Feed
- SP-6 - Testing "Resume" Switch
- Charging System Test