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Engine Controls - Tests W/Codes - Engine Performance
- Model Identification
- Introduction
- Self-Diagnostic System
- Summary
- Inactive DTC Condition
- Fuel Pressure Release
- Connector Identification
- Self-Diagnostic Tests
- Notes
- Test TC-1A: No Cam Signal At Pcm
- Test TC-1B: No Cam Signal At Pcm
- Test TC-1C: No Cam Signal At Pcm
- Test TC-5A: Charging System Voltage Too Low
- Test TC-5B: Charging System Voltage Too Low
- Test TC-6A: Charging System Voltage Too High
- Test TC-6B: Charging System Voltage Too High
- Test TC-10A: Auto Shutdown Relay Control Circuit
- Test TC-11A: Generator Field Not Switching Properly
- Test TC-12A: Torque Converter Clutch (TCC) Solenoid/Trans Relay Circuit
- Test TC-12B: Torque Converter Clutch (TCC) Solenoid/Trans Relay Circuit
- Test TC-12C: Torque Converter Clutch (TCC) Solenoid/Trans Relay Circuit
- Test TC-12D: Torque Converter Clutch (TCC) Solenoid/Trans Relay Circuit
- Test TC-12E: Torque Converter Clutch (TCC) Solenoid/Trans Relay Circuit
- Test TC-12F: Torque Converter Clutch (TCC) Solenoid/Trans Relay Circuit
- Test TC-14A: Rad Fan Control Relay Circuit
- Test TC-15A: Speed Control Solenoid Circuits
- Test TC-15B: Speed Control Solenoid Circuits Or Speed Control Power Relay Circuits
- Test TC-15C: Speed Control Solenoid Circuits Or Speed Control Power Relay Circuits
- Test TC-16A: A/C Clutch Relay Circuit
- Test TC-17A: EGR Solenoid Circuit
- Test TC-18A: EVAP Purge Solenoid Circuit
- Test TC-19A: Injector #3 Control Circuit
- Test TC-20A: Injector #2 Control Circuit
- Test TC-21A: Injector Control Circuits
- Test TC-21B: Injector #1 Control Circuit
- Test TC-25A: Idle Air Control Motor Circuits
- Test TC-25B: Idle Air Control Motor Circuits
- Test TC-25C: Idle Air Control Motor Circuits
- Test TC-25D: Idle Air Control Motor Circuits
- Test TC-25E: Idle Air Control Motor Circuits
- Test TC-26A: Throttle Position Sensor Voltage Low
- Test TC-27A: Throttle Position Sensor Voltage High
- Test TC-30A: ECT Sensor Voltage Too Low
- Test TC-31A: ECT Sensor Voltage Too High
- Test TC-35A: No Vehicle Speed Sensor Signal
- Test TC-35B: No Vehicle Speed Sensor Signal
- Test TC-36A: Map Sensor Voltage Too Low Or No 5 Volts To Map Sensor
- Test TC-37A: Map Sensor Voltage Too High
- Test TC-39A: No Change In Map From Start To Run
- Test TC-40A: No Crank Reference Signal At Pcm
- Test TC-40B: No Crank Reference Signal At Pcm
- Test TC-40C: No Crank Reference Signal At Pcm
- Test TC-41A: Ignition Coil #3 Primary Circuit
- Test TC-42A: Ignition Coil #2 Primary Circuit
- Test TC-43A: Ignition Coil #1 Primary Circuit
- Test TC-43B: Ignition Coil #1 Primary Circuit
- Test TC-44A: No ASD Relay Output Voltage At Pcm
- Test TC-44B: No ASD Relay Output Voltage At Pcm
- Test TC-48A: Pcm Failure Sri Mile Not Stored
- Test TC-49A: Pcm Failure EEPROM Write Denied
- Test TC-50A: Trans 3-4 Solenoid/ Trans Relay Circuits
- Test TC-50B: Trans 3-4 Solenoid/ Trans Relay Circuits
- Test TC-50C: Trans 3-4 Solenoid/ Trans Relay Circuits
- Test TC-50D: Trans 3-4 Solenoid/ Trans Relay Circuits
- Test TC-50E: Trans 3-4 Solenoid/ Trans Relay Circuits
- Test TC-55A: Injector #9 Control Circuit
- Test TC-56A: Injector #10 Control Circuit
- Test TC-57A: Intake Air Temperature Sensor Voltage Low
- Test TC-58A: Intake Air Temperature Sensor Voltage High
- Test TC-61A: Injector #4 Control Circuit
- Test TC-62A: 1/1 O2 Sensor Shorted To Voltage
- Test TC-62B: 1/1 O2 Sensor Shorted To Voltage
- Test TC-62C: 1/1 O2 Sensor Shorted To Voltage
- Test TC-66A: 2/1 O2 Sensor Shorted To Voltage
- Test TC-69A: Injector #5 Control Circuit
- Test TC-70A: Injector #6 Control Circuit
- Test TC-74A: Trans Temp Sensor Voltage Too Low
- Test TC-74B: Trans Temp Sensor Voltage Too Low
- Test TC-75A: Trans Temp Sensor Voltage Too High
- Test TC-75B: Trans Temp Sensor Voltage Too High
- Test TC-75C: Trans Temp Sensor Voltage Too High
- Test TC-76A: Ignition Coil #4 Primary Circuit
- Test TC-77A: Ignition Coil #5 Primary Circuit
- Test TC-79A: Injector #7 Control Circuit
- Test TC-80A: Injector #8 Control Circuit
- Test TC-82A: Speed Control Power Relay Or 12-Volt Driver Circuit
- Test TC-82B: Speed Control Solenoid Circuits Or Speed Control Power Relay Circuits
- Test TC-82C: Speed Control Solenoid Circuits Or Speed Control Power Relay Circuits
- Test TC-87A: Speed Control Switch Always Low
- Test TC-101A: Fuel Pump (System) Relay Control Circuit
- Test TC-102A: 1/1 O2 Sensor Slow Response
- Test TC-103A: 1/1 O2 Sensor Heater Failure
- Test TC-103B: 1/1 O2 Sensor Heater Failure
- Test TC-104A: 1/2 O2 Sensor Slow Response
- Test TC-105A: 1/2 O2 Sensor Heater Failure
- Test TC-105B: 1/1 O2 Sensor Heater Failure
- Test TC-106A: Multiple Cylinder Misfire
- Test TC-106B: Multiple Cylinder Misfire
- Test TC-107A: Cylinder #1, #2, #3, #4, #5, #6, #7, #8, #9 Or #10 Misfire
- Test TC-112A: Catalyst 1/1 Efficiency Failure
- Test TC-113A: EVAP Purge Flow Monitor Failure
- Test TC-113B: EVAP Purge Flow Monitor Failure
- Test TC-113C: EVAP Purge Flow Monitor Failure
- Test TC-114A: P/N Switch Stuck In Park Or In Gear
- Test TC-114B: P/N Switch Stuck In Park Or In Gear
- Test TC-115A: Power Steering Switch Failure
- Test TC-118A: Fuel System 1/1 Rich
- Test TC-118B: Fuel System 1/1 Rich
- Test TC-119A: Fuel System 1/1 Lean
- Test TC-119B: Fuel System 1/1 Lean
- Test TC-120A: Fuel System 2/1 Rich
- Test TC-120B: Fuel 2/1 System Rich
- Test TC-121A: Fuel System 2/1 Lean
- Test TC-121B: Fuel System 2/1 Lean
- Test TC-122A: 2/1 O2 Sensor Slow Response
- Test TC-124A: 2/1 O2 Sensor Heater Failure
- Test TC-126A: 1/2 O2 Sensor Shorted To Voltage
- Test TC-126B: 1/2 O2 Sensor Shorted To Voltage
- Test TC-126C: 1/2 O2 Sensor Shorted To Voltage
- Test TC-128A: Closed Loop Temperature Not Reached
- Test TC-132A: TPS Voltage Does Not Agree With Map
- Test TC-135A: No 5 Volts To Map Sensor
- Test TC-138A: Target Idle Not Reached
- Test TC-138B: Target Idle Not Reached
- Test TC-140A: EGR System Failure
- Test TC-141A: Governor Pressure Not Equal To Target @ 15-20 Psi
- Test TC-141B: Governor Pressure Not Equal To Target @ 15-20 Psi
- Test TC-141C: Governor Pressure Not Equal To Target @ 15-20 Psi
- Test TC-141D: Governor Pressure Not Equal To Target @ 15-20 Psi
- Test TC-141E: Governor Pressure Not Equal To Target @ 15-20 Psi
- Test TC-142A: Governor Pressure Above 3 Psi In Gear With 0 Mph
- Test TC-142B: Governor Pressure Above 3 Psi In Gear With 0 Mph
- Test TC-142C: Governor Pressure Above 3 Psi In Gear With 0 Mph
- Test TC-144A: 1/3 O2 Sensor Shorted To Ground
- Test TC-147A: 1/3 O2 Sensor Shorted To Voltage
- Test TC-148A: TORQ CONV CLU, No Rpm Drop At Lockup
- Test TC-148B: TORQ CONV CLU No, Rpm Drop At Lockup
- Test TC-148C: TORQ CONV CLU No, Rpm Drop At Lockup
- Test TC-148D: TORQ CONV CLU No, Rpm Drop At Lockup
- Test TC-149A: Fuel Level Sending Unit Volts Too Low
- Test TC-149B: Fuel Level Sending Unit Volts Too Low
- Test TC-150A: Fuel Level Sending Unit Volts Too High
- Test TC-150B: Fuel Level Sending Unit Volts Too Low
- Test TC-151A: Fuel Level Unit No Change Over Miles
- Test TC-153A: Battery Temp Sensor Voltage Too Low/Too High
- Test TC-153B: Battery Temp Sensor Voltage Too Low/Too High
- Test TC-155A: 1/1 O2 Sensor Voltage Shorted To Ground
- Test TC-156A: 1/2 O2 Sensor Voltage Shorted To Ground
- Test TC-157A: Intermittent Loss Of CMP Or CKP
- Test TC-157B: Intermittent Loss Of CMP Or CKP
- Test TC-157C: Intermittent Loss Of CMP Or CKP
- Test TC-157D: Intermittent Loss Of CMP Or CKP
- Test TC-160A: EVAP Leak Monitor Small Leak Detected
- Test TC-161A: EVAP Leak Monitor Large Leak Detected
- Test TC-162A: No Temp Rise Seen From Intake Air Heaters
- Test TC-162B: No Temp Rise Seen From Intake Air Heaters
- Test TC-164A: Trans Temp Sensor No Rise After Start
- Test TC-164B: Trans Temp Sensor No Rise After Start
- Test TC-165A: 3-4 Shift Solenoid No Rpm Drop @ 3-4 Shift
- Test TC-165B: 3-4 Shift Solenoid No Rpm Drop 3-4 Shift
- Test TC-166A: Low Output Speed Sensor Rpm Above 15 Mph
- Test TC-166B: Low Output Speed Sensor Rpm Above 15 Mph
- Test TC-167A: Governor Pressure Sensor Volts Too Low
- Test TC-167B: Governor Pressure Sensor Volts Too Low
- Test TC-168A: Governor Pressure Sensor Volts Too High
- Test TC-168B: Governor Pressure Sensor Volts Too High
- Test TC-168C: Governor Pressure Sensor Volts Too High
- Test TC-169A: Gov Press Sen Offset Volts Too Low Or Too High
- Test TC-169B: Gov Press Sen Offset Volts Too Low Or Too High
- Test TC-171A: Governor Pressure Solenoid/Trans Relay Circuits
- Test TC-171B: Governor Pressure Solenoid/Trans Relay Circuits
- Test TC-171C: Governor Pressure Solenoid/Trans Relay Circuits
- Test TC-171D: Governor Pressure Solenoid Circuit
- Test TC-171E: Governor Pressure Solenoid Circuit
- Test TC-173A: Trans 12-Volt Supply Relay CNTRL Circuit
- Test TC-173B: Trans 12-Volt Supply Relay CNTRL Circuit
- Test TC-181A: 2/1 O2 Sensor Voltage Shorted To Ground
- Test TC-183A: Leak Detection Pump Solenoid Circuit
- Test TC-184A: Leak Detection Pump SW Or Mechanical Fault
- Test TC-186A: Misfire Adaptive Numerator At Limit
- Test TC-187A: EVAP Leak Monitor Pinched Hose
- Test TC-188A: O/D Switch Pressed (Lo) More Than 5 Minutes
- Test TC-188B: O/D Switch Pressed (Lo) More Than 5 Minutes
- Test TC-189A: 1/3 O2 Sensor Heater Failure
- Test TC-192A: 1/1 O2 Sensor Slow During Catalyst Monitor
- Test TC-194A: 1/2 O2 Sensor Slow During Catalyst Monitor
- TC-195A: Fuel Injection Pump Timing Failure
- Test TC-196A: DTC Detected In Pcm
- Test TC-197A: DTC Detected In Companion Module
- Test NTC-1A: No Trouble Code Test Menu
- Test NTC-1B: No Trouble Code Test Menu
- Test NTC-2A: Checking Secondary Ignition & Timing
- Test NTC-3A: Checking Pcm Power & Ground Circuits
- Test NTC-4A: Checking Engine Vacuum
- Test NTC-5A: Checking Fuel Delivery
- Test NTC-6A: Checking Engine Coolant Temperature Sensor Calibration
- Test NTC-7A: Checking Throttle Position Sensor Calibration
- Test NTC-8A: Checking Map Sensor Calibration
- Test NTC-9A: Checking Minimum Idle Airflow
- Test NTC-10A: Checking Oxygen Sensor Switching
- Test NTC-10B: Checking Oxygen Sensor Switching
- Test NTC-11A: Checking Oxygen Sensor Heater
- Test NTC-12A: Checking Idle Air Control Motor
- Test NTC-12B: Checking Idle Air Control Motor
- Test NTC-13A: Checking Engine Mechanical Systems (Gasoline Engines)
- Test NTC-13B: Checking Engine Mechanical Systems (Diesel Engines)
- Test NTC-15A: Checking Battery Temperature Sensor
- Test NTC-16A: Checking Brake Switch
- Test NTC-17A: Checking EVAP System
- Test NTC-17B: Checking EVAP System
- Test NTC-18A: Checking EGR System
- Test NTC-19A: Checking Intake Air Temperature Sensor
- Test NTC-20A: Checking Park/Neutral Switch
- Test NTC-21A: Checking Oil Pressure Sensor
- Test NTC-21B: Checking Oil Pressure Sensor
- Test NTC-25A: Checking Fuel Level Sensor
- Test NTC-26A: Checking A/C System
- Test NTC-26B: Checking A/C System
- Test NTC-27A: Checking Radiator Fan Operation
- Test NTC-29A: Checking Fuel Heater Relay
- Test NTC-30A: Checking Intake Air Heater #1
- Test NTC-30B: Checking Intake Air Heater #1
- Test NTC-31A: Checking Intake Air Heater #2
- Test NTC-31B: Checking Intake Air Heater #2
- Test NTC-32A: Checking Wait-To-Start Light
- Test NTC-33A: Checking Water-In-Fuel Light & Sensor
- Test NTC-33B: Checking Water-In-Fuel Light & Sensor
- Test NS-SEL: No Start Selection Menu
- Test NS-1A: Qualifying No Start Condition
- Test NS-2A: Checking Fuel System (Gasoline)
- Test NS-3A: Checking Engine Mechanical System
- Test NS-4A: Repairing Low Fuel Pressure
- Test NS-5A: Checking Fuel Pump
- Test NS-6A: Repairing No Response Condition
- Test NS-6B: Repairing No Response Condition
- Test NS-6C: Repairing No Response Condition
- Test NS-6D: Repairing No Response Condition
- Test NS-6E: Repairing No Response Condition
- Test NS-7A: Checking Idle Air Control Motor
- Test NS-7B: Idle Air Control Motor Circuits
- Test NS-7C: Idle Air Control Motor Circuits
- Test NS-7D: Idle Air Control Motor Circuits
- Test NS-7E: Idle Air Control Motor Circuits
- Test NS-8A: Repairing Start & Stall Condition
- Test NS-9A: Repairing No Crank Condition
- Test NS-9B: Repairing No Crank Condition
- Test NS-9C: Repairing No Crank Condition
- Test NS-10A: Repairing No Crank Condition
- Test NS-14A: Checking Fuel Heater Relay With Engine Temperature Less Than 40°F (4.4°C)
- Test NS-15A: Checking Fuel Shutdown Relay & Solenoid (Diesel)
- Test VER-1A: No Start Verification
- Test VER-2A: Road Test Verification
- Test VER-3A: Charging Verification
- Test VER-4A: Speed Control Verification
- Test VER-5A: Road Test For OBD-II Trouble Codes
- Test VER-6A: Leak Detection Pump (LDP) Verification
- DTC P0217: Dec Eng PERF Due To Eng Overheat Condition (Diesel)
- DTC P0230: Transfer Pump Circuit Out Of Range (Diesel)
- DTC P0336: Crankshaft Position Sensor Signal (Diesel)
- DTC P0380: Intake Air Heater Relay #1 Control Circuit (Diesel)
- DTC P0523: Oil Pressure Voltage Too High (Diesel)
- DTC P0602: ECM Fueling Calibration Error (Diesel)
- DTC P1689: No Communication Between ECM & Injection Pump Module (Diesel)
- DTC P1690: Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP (Diesel)