DTC Chart - Engine Code CRZA

DTC

Error Message

Malfunction Criteria and Threshold Value

P000A

Camshaft Position Slow Response

Difference between target and actual position > 8 °CRK for >

1.3 to 2.9 Sec. and adjustment angle >= 2.50 °CRK

P0010

Camshaft Position Actuator Circuit Open

Signal voltage, > 4.70 - 5.40 V

P0011

Camshaft Position Timing - Over-Advanced

• Difference between target and actual position > 8 CRK °

• Adjustment angle < 2.50 CRK °

P0016

Crankshaft Position vs. Camshaft Position Correlation

• Permissible deviation

• Permissible deviation

< 11° Rev

or

> 11° Rev

P0036

HO2S Heater Control Circuit (Bank 1, Sensor 2) Open

Heater voltage 2.34 to 3.59 V

P0037

HO2S Heater Control Circuit Low (Bank 1, Sensor 2)

Heater voltage < 2.34 V

P0038

HO2S Heater Control Circuit High (Bank 1, Sensor 2)

Heater voltage > 3.59 V

P008A

Low Pressure Fuel System Pressure Too Low

Actual pressure < 0.08 MPa

P008B

Low Pressure Fuel System Pressure Too High

Actual pressure > 0.8 MPa

P0087

Fuel Rail/System Pressure - Too Low

• Fuel trim activity 0.90 - 1.15

• Output value rail pressure controller > 2 MPa

• Difference between target and actual pressure > -16.38

P0089

Fuel Pressure Regulator Performance

• Difference between target and actual pressure > 0.15 and <

• Total pressure controller response < -0.25 and > 0.35 MPa

-0.2 MPa

DTC

Error Message

Malfunction Criteria and Threshold Value

P0100

Mass Air Flow Circuit Fault

MAF sensor signal 0 µs

P0101

Mass Air Flow Circuit Performance

Mass air flow vs.

• Upper threshold model < 12%

• Lower threshold model < 0.400 kg/h

• Load calculation > 21%

• Fuel system < -19%

P0102

Mass Air Flow Circuit Low Input

MAF sensor signal < 66 µs

P0103

Mass Air Flow Circuit High Input

MAF sensor signal > 4500 µs

P0106

Manifold Absolute Pressure/ Barometric Pressure Circuit Performance

• Difference of boost pressure signal vs altitude sensor signal

• Difference of boost pressure signal vs altitude sensor signal

> 230 hPa

or

< -130 hPa

P0111

Intake Air Temperature Sensor Circuit Performance

• Difference in value IAT - ECT

• Difference in value IAT - AAT

@ engine start (depending on engine off time) > 24.8 °K

@ engine start < 24.8 °K (depending on engine off time)

P0112

Intake Air Temperature Sensor 1 Circuit Low Input

Intake air temperature > 141°C

P0113

Intake Air Temperature Sensor Circuit High Input

Intake air temperature < 46°C

P0116

Engine Coolant Temperature Sensor 1 Circuit Performance

•No change on signal < 1.5 °K

or

• Signal in range 88.5 - 109.5

°C with no change on signal <

1.5 °K

P0117

Engine Coolant Temperature Sensor 1 Circuit Low Input

Engine coolant temperature

> 140°C

P0118

Engine Coolant Temperature Sensor 1 Circuit High Input

Engine coolant temperature

< -40°C

P0121

Pedal Position Sensor A Circuit Performance

• TPS 1 - TPS 2 > 6.30%

• Actual TPS 1 calculated value

• TPS 1 calc. value > 9.00%

> TPS 2 calculated value

DTC

Error Message

Malfunction Criteria and Threshold Value

P0122

Pedal Position Sensor A Circuit Low Input

Signal voltage < 0.20 V

P0123

Pedal Position Sensor A Circuit High Input

Signal voltage > 4.81 V

P013A

O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2

EWMA filtered max differential transient time at fuel cutoff >=

0.5 Sec. for 3 function checks

P0130

O2 Sensor Circuit (Bank 1, Sensor 1)

O2S ceramic temperature

< 640 °C

P0131

O2 Sensor Circuit (Bank 1, Sensor 1) Low Voltage

• VM < 1.75 V

• UN < 1.50 V

• IA or IP > 0.30 V

P0132

O2 Sensor Circuit (Bank 1, Sensor 1)

• VM > 3.25 V

• UN > 4.40 V

• IA or IP > 7.0 V

P0133

O2 Circuit Slow Response (Bank 1, Sensor 1)

Signal dynamic slope check

• O2S signal front vs. modeled O2S signal ratio < 0.40 and > 0.01

• Cycles completed > 400 Oscillation check

• Lambda amplitude signal > 20%

• Cycles > 8

• Time lambda > lambda amplitude 400 m sec.

• Delay modeled lambda signal minus measured signal > 460 m sec.

• Cycles > 12

Delay check

P0135

O2 Heater Circuit (Bank 1, Sensor 1)

• Heater duty cycle > 90%

• O2S ceramic temperature < 720 °C

• Time after O2S heater on 40

Sec.

P0136

O2 Circuit (Bank 1, Sensor 2)

• Delta voltage one step at heater switching > 2.0020 V

• Number of checks 10

DTC

Error Message

Malfunction Criteria and Threshold Value

P0137

O2 Circuit Low Voltage (Bank 1, Sensor 2)

• Signal voltage < 0.06 V for > 3 Sec.

• Difference with/without load pulse < 0.01 V

P0138

O2 Circuit High Voltage (Bank 1, Sensor 2)

Signal voltage 1.08 V for > 5

Sec.

P0139

O2 Circuit Slow Response (Bank 1 Sensor 2)

• EWMA filtered transient time at fuel cutoff > 0.4 Sec.

• In voltage range of 201.2 -

401.4 mV

• Number of checks, 3

P0140

O2 Circuit No Activity Detected (Bank 1, Sensor 2)

Signal voltage

• Signal voltage 0.40 - 0.60 V for

• Exhaust temperature > 600 °C

> 3 Sec.

Internal resistance

• > 40000 ohm

P0141

O2 Heater Circuit (Bank 1, Sensor 2)

Heater resistance > 792 to 4560 Ohm

P0171

System Too Lean (Bank 1)

At idle

• Adaptive value > 5.02 At part-load

• Adaptive value > 21%

P0172

System Too Rich (Bank 1)

At idle

• Adaptive value < -5.02% At part-load

  • Adaptive value < -21%

P0190

Fuel Rail Pressure Sensor Circuit

Signal voltage > 4.8 V

P0191

Fuel Rail Pressure Sensor Circuit Performance

Actual pressure > 20.6 MPa

P0192

Fuel Rail Pressure Sensor Circuit Low

Signal voltage < 0.2 V

P0201

Injector Circuit Open - Cylinder 1

• Low side signal current < 2.1 A

• Internal logic failure

P0202

Injector Circuit Open - Cylinder 2

• Low side signal current < 2.1 A

• Internal logic failure

P0203

Injector Circuit Open - Cylinder 3

• Low side signal current < 2.1 A

• Internal logic failure

P0204

Injector Circuit Open - Cylinder 4

• Low side signal current < 2.1 A

• Internal logic failure

DTC

Error Message

Malfunction Criteria and Threshold Value

P0221

Pedal Position Sensor Circuit Performance

• TPS 1 - TPS 2 > 6.30%

• Actual TPS 2 calculated value

• TPS 2 – calc. value > 9.00%

> TPS 1 calculated value

P0222

Pedal Position Sensor Circuit Low Input

Signal voltage < 0.20 V

P0223

Pedal Position Sensor Circuit High Input

Signal voltage > 4.81 V

P0234

Turbocharger Overboost Condition

Difference of set value boost pressure vs altitude sensor signal > 260 - 1275 hPa

P0237

Turbocharger Boost Sensor Circuit Low

Signal voltage < 0.2 V

P0238

Turbocharger Boost Sensor Circuit High

Signal voltage > 4.88 V

P0243

Turbocharger Wastegate Solenoid Circuit Performance

Signal voltage > 5.6 - 4.4 V

P0245

Turbocharger Wastegate Solenoid Low

Signal voltage < 3.25 - 2.15 V

P0246

Turbocharger Wastegate Solenoid High

Signal current > 2.2 to 4 A

P025A

Fuel Pump Module Control Circuit Open

Signal voltage 4.80 - 5.30 V

P025C

Fuel Pump Module Control Circuit Low

Signal voltage 2.70 - 3.25 V

P025D

Fuel Pump Module Control Circuit Low

Signal voltage 2.70 - 3.25 V

P0261

Cylinder 1 Injector Circuit Low

Signal current < 2.1 A

P0262

Cylinder 1 Injector Circuit High

Signal current > 14.70 A

P0264

Cylinder 2 Injector Circuit Low

Signal current < 2.1 A

P0265

Cylinder 2 Injector Circuit High

Signal current > 14.70 A

P0267

Cylinder 3 Injector Circuit Low

Signal current < 2.1 A

P0268

Cylinder 3 Injector Circuit High

Signal current > 14.70 A

P0270

Cylinder 4 Injector Circuit Low

Low side signal current < 2.1 A

P0271

Cylinder 4 Injector Circuit High

Signal current > 14.70 A

P0299

Turbocharger Underboost

Difference of set boost pressure vs. actual boost pressure value

> 150 hPa

DTC

Error Message

Malfunction Criteria and Threshold Value

P12A1

Fuel Rail Pressure Sensor Inappropriately Low

• Pressure control activity > 0.20 MPa

• Fuel trim activity < 0.80

• Difference between actual pressure vs target pressure

-16.38 to 16.38 MPa

P12A2

Fuel Rail Pressure Sensor Inappropriately High

• Pressure control activity <

• Fuel trim activity > 1.65

• Difference between target pressure and actual pressure

-0.05 MPa

-16.38 to 16.38 MPa

P12A4

Fuel Rail Pump Control Valve Stuck Closed

• Fuel trim activity .90 to 1.15

• Pressure control activity < -6 MPa

• System Deviation < 16.38 MPa

P2004

Intake Manifold Runner Control Stuck Open

• Signal voltage < 2.62 or > 4.65

• Unable to reach normal closed position

V

P2008

Intake Manifold Runner Control Circuit Open

• Signal duty cycle > 80%

• ECM power stage failure

P2014

Intake Manifold Runner Position Sensor Circuit

Signal voltage > 4.75 V

P2015

Intake Manifold Runner Position Sensor Circuit Performance

Deviation runner flap target position vs actual position > 25% and actual position within 0

to 100%

P2088

A Camshaft Position Actuator Control Circuit Low

Signal voltage, < 0.0 - 3.25 V

P2089

A Camshaft Position Actuator Control Circuit High

Signal current > 2.2 A

P2096

Post Catalyst Fuel Trim System Too Lean

Deviation lambda control < -0.04

P2097

Post Catalyst Fuel Trim System Too Rich

Integral part of lambda control

> 0.04

DTC

Error Message

Malfunction Criteria and Threshold Value

P0300

Random Misfire Detected

• Emission threshold 1st interval Misfire Rate (MR), > 3%

• Catalyst damage misfire rate (MR), > 2% - 15%

P0301

Cylinder 1 Misfire Detected

• Emission threshold 1st interval Misfire Rate (MR), > 3%

• Catalyst damage misfire rate (MR), > 2% - 15%

P0302

Cylinder 2 Misfire Detected

• Emission threshold 1st interval Misfire Rate (MR), > 3%

• Catalyst damage misfire rate (MR), > 2% - 15%

P0303

Cylinder 3 Misfire Detected

• Emission threshold 1st interval Misfire Rate (MR), > 3%

• Catalyst damage misfire rate (MR), > 2% - 15%

P0304

Cylinder 4 Misfire Detected

• Emission threshold 1st interval Misfire Rate (MR), > 3%

• Catalyst damage misfire rate (MR), > 2% - 15%

P0321

Engine Speed Input Circuit Performance

• Comparison of counted teeth vs reference = incorrect

• Monitoring reference gap failure

P0322

Engine Speed Input Circuit No Signal

• Camshaft signal > 3

• Engine speed, no signal

P0324

Knock Control System Error

• Signal fault counter (combustion) > 24

• Signal fault counter (measuring window) > 2.00

or

P0327

Knock Sensor 1 Circuit Low Input

• Lower threshold < -70 V or for signal range check

• Lower threshold < 0.60 - 1.60

V

P0328

Knock Sensor 1 Circuit High Input

• Upper threshold > 1.00 V or for signal range check

• > 21.75 - 115.87 V

P0332

Knock Sensor 2 Circuit Low Input

Signal range check lower threshold 0.5 to 0.8

DTC

Error Message

Malfunction Criteria and Threshold Value

P0333

Knock Sensor 2 Circuit High Input

Signal range check upper threshold 4.5 to 30

P0341

Camshaft Position Sensor Circuit Performance

• Signal pattern incorrect

• Defect counter 12

P0342

Camshaft Position Sensor Circuit Low Input

• Signal voltage low

• Crankshaft signals = 8

P0343

Camshaft Position Sensor Circuit High Input

• Signal voltage high

• Crankshaft signals = 8

P0351

Ignition Coil A Primary/ Secondary Circuit

• Signal current < -0.25 to

2.0 mA

• Internal check failed

P0352

Ignition Coil B Primary/ Secondary Circuit

• Signal current < -0.25 to

2.0 mA

• Internal check failed

P0353

Ignition Coil C Primary/ Secondary Circuit

• Signal current < -0.25 to

2.0 mA

• Internal check failed

P0354

Ignition Coil D Primary/ Secondary Circuit

• Signal current 0.25 to -2.0 mA

• Internal check failed

P2300

Ignition Coil A Primary Control Circuit Low

Signal current > 24.0 mA

P2301

Ignition Coil A Primary Control Circuit High

Signal current > 5.1 - 7.0 mA

P2303

Ignition Coil B Primary Control Circuit Low

Signal current > 24.0 mA

P2304

Ignition Coil B Primary Control Circuit High

Signal current > 5.1 - 7.0 mA

P2306

Ignition Coil C Primary Control Circuit Low

Signal current > 24.0 mA

P2307

Ignition Coil C Primary Control Circuit High

Signal voltage > 5.1 - 7.0 mA

P2309

Ignition Coil D Primary Control Circuit Low

Signal current > 24.0 mA

P2310

Ignition Coil D Primary Control Circuit High

Signal voltage > 5.1 - 7.0 mA

DTC

Error Message

Malfunction Criteria and Threshold Value

P0420

Catalyst System Efficiency Below Threshold

Front:

• Oxygen storage capacity (OSC) vs OSC of borderline catalyst < 0.40

• Front catalyst < 1.30

• Main catalyst < 1.20 Main:

• Oxygen storage capacity (OSC) vs OSC of borderline catalyst < 0.40

• Front catalyst< .90

• While value for front catalyst

< 2.00

P0441

Evaporative Emission System Incorrect Purge Flow

Actual evap pump current difference between reference measurement to idle divided by pump current difference from the last leak detection phase during engine off > 1.40 mA

P0442

Evaporative Emission System Leak Detected (Small Leak)

Modeled pressure from pump current < 9 hPa

P0444

Evaporative Emission System Purge Control Valve Circuit Open

Signal voltage > 4.40 - 5.40 V

P0456

Evaporative Emission System Leak Detected (Very Small Leak)

EVAP leakage area calculated from pump current curve > 0.17 mm 2

P0458

Evaporative Emission System Purge Control Valve Circuit Low

Signal voltage 0.00 - 3.25 V

P0459

Evaporative Emission System Purge Control Valve Circuit High

Signal current > 2.2 A

DTC

Error Message

Malfunction Criteria and Threshold Value

P050A

Cold Start Idle Air Control System Performance

Out of range low:

• Engine speed deviation < -80 RPM

• Engine speed deviation > 80 RPM

Out of range high:

P0501

Vehicle Speed Sensor Range/ Performance

VSS signal < 4 km/h

P0506

Idle Air Control System RPM Lower Than Expected

Idle speed Deviation > 80 RPM

P0507

Idle Air Control System - RPM Higher Than Expected

Idle speed Deviation < -80 RPM

P052A

Cold Start Camshaft Position Timing Over-Advanced

• Difference between target position vs actual position: > 6 °CRK

DTC

Error Message

Malfunction Criteria and Threshold Value

P0601

Internal Control Module Memory Check Sum Error

Internal check sum, incorrect

P0604

Internal Control Module Random Access Memory (RAM) Error

Write ability check, failed

P0605

Internal Control Module Read Only Memory (ROM) Error

ROM check failed

P0606

ECM Processor Fault

ECM internal check failure

P0638

Throttle Actuator Control Performance

• Time to close to reference point > 0.6 Sec.

• Reference point 2.88%

• Time to close below reference point, + 2.49%, > 0.56 Sec.

• Duty cycle > 80%

• ECM power stage no failure

and

P0641

Sensor Reference Voltage A Circuit

Signal voltage deviation > ± 0.3

V

P0642

Sensor Reference Voltage A Circuit Low

Signal voltage < 4.6 to 5 V

DTC

Error Message

Malfunction Criteria and Threshold Value

P0643

Sensor Reference Voltage A Circuit High

Signal voltage > 5 to 5.4 V

P0651

Sensor Reference Voltage B Circuit

Signal voltage deviation > +/-

0.3 V

P0652

Sensor Reference Voltage B Circuit Low

Signal voltage < 4.6 - 5.0 V

P0653

Sensor Reference Voltage B Circuit High

Signal voltage > 5 to 5.4 V

P0657

Actuator Supply Voltage A Circuit Open

Signal voltage > 4.4 - 5.6 V

P0658

Actuator Supply Voltage A Circuit Low

Signal voltage < 2.15 - 3.25 V

P0659

Actuator Supply Voltage A Circuit High

Signal current > 1.1 A

P0685

ECM Power Relay Control Circuit Open

Control voltage 2.6 to 3.7 V and Sense circuit voltage < 6 V

P0686

ECM Power Relay Control Circuit Low

Control voltage 2.6 to 3.7 V and Sense circuit voltage > 6 V

P0687

ECM Power Relay Control Circuit High

Signal current > 1.4 to 0.7 A and Sense circuit voltage < 6 V

P0688

ECM Power Relay Sense Circuit Open

• Sense voltage > 3 V with main relay commanded on

• Sense voltage < 3 V with main relay commanded off

P0697

Sensor Reference Voltage C Circuit Open

Signal voltage deviation

> ± 0.3 V

P0698

Sensor Reference Voltage C Circuit Low

Signal voltage < 4.6 - 5.0 V

P0699

Sensor Reference Voltage C Circuit High

Signal voltage > 5 to 5.4 V

U0001

High Speed CAN Communication Bus

Bus Off failure

U0002

High Speed CAN Communication Bus Performance

Global Time Out failure

U0121

Lost Communication With Anti-Lock Brake System (ABS) Control Module

CAN communication with ABS, time out

U0146

Lost Communication With Gateway A

CAN communication with gateway, time out

DTC

Error Message

Malfunction Criteria and Threshold Value

U0155

CAN Instrument Cluster

CAN messages not received

U0415

CAN Communication With ABS Error

• Speed sensor initialization failed

• Speed sensor low voltage error failed

• Speed > 326 km/h

U0422

Invalid Data Received From Body Control Module (Cluster)

Ambient temperature value initialization failure.

U0423

Invalid Data Received From Instrument Panel Cluster Control Module

Implausible Ambient Air Temperature Sensor value message received from IPC

DTC

Error Message

Malfunction Criteria and Threshold Value

P12A1

Fuel Rail Pressure Sensor Inappropriately Low

• Pressure control activity

• Fuel trim activity < 0.85

> 0.25 MPa

and

P12A2

Fuel Rail Pressure Sensor Inappropriately High

• Pressure control activity

• Fuel trim activity < 0.85

> 0.25 MPa

and

P12A4

Fuel Rail Pump Control Valve Stuck Closed

• Fuel trim activity 0.85 to 1.15 and

• Pressure control activity

< 6.0 mPa

P2004

Intake Manifold Runner Control Stuck Open

• Signal voltage < 2.62 or > 4.65

• Unable to reach normal closed position

V

P2008

Intake Manifold Runner Control Circuit Open

• Signal duty cycle > 80%

• ECM power stage failure

P2014

Intake Manifold Runner Position Sensor Circuit

• Signal voltage > 4.75 V

P2015

Intake Manifold Runner Position Sensor Circuit Performance

• Deviation runner flap target position vs actual position > 25% and actual position within 0 to 100%

P2088

A Camshaft Position Actuator Control Circuit Low

Signal voltage, < 0.0 - 3.25 V

DTC

Error Message

Malfunction Criteria and Threshold Value

P2089

A Camshaft Position Actuator Control Circuit High

Signal current > 2.2 A

P2096

Post Catalyst Fuel Trim System Too Lean

Deviation lambda control < -0.04

P2097

Post Catalyst Fuel Trim System Too Rich

Integral part of lambda control

> 0.04

P2101

Throttle Actuator Control Motor Circuit Performance

• Duty cycle >80%

• Deviation throttle value angles vs. calculated value 4 - 50%

• ECM power stage no failure

P2106

Throttle Actuator Control System Forced Limited Power

Internal check failed

P2122

Pedal Position Sensor D Circuit High Input

Signal voltage < 0.61 V

P2123

Pedal Position Sensor D Circuit High Input

Signal voltage > 4.79 V

P2127

Pedal Position Sensor E Circuit Low Input

Signal voltage < 0.27 V

P2128

Pedal Position Sensor E Circuit High Input

Signal voltage > 2.43 V

P2138

Pedal Position Sensor D / E Voltage Correlation

Signal voltage: Difference between signal APP1 and APP2

> 0.17 - 0.70 V

P2146

Fuel Injector A Supply Voltage Circuit Open

• Signal current, < 2.6 A

• Signal current > 14.90 A

or

P2149

Fuel Injector B Supply Voltage Circuit Open

• Signal current, < 2.6 A

• Signal current > 14.70 A

or

P2181

Cooling System Performance

Cooling system temperature too low after a sufficient mass air flow integral 74 - 84 °C

P2195

O2 Sensor Signal Biased/ Stuck Lean Bank 1, Sensor 1

Delta lambda of 2nd lambda control loop > 0.06

P2196

O2 Sensor Signal Biased/ Stuck Rich (Bank 1, Sensor 1)

Delta lambda of 2nd lambda control loop < 0.08

P2231

O2 Sensor Signal Circuit Shorted to Heater Circuit

Delta O2S signal front > 190 uA

P2237

O2 Sensor Positive Current Control Circuit Open (Bank 1, Sensor 1)

O2S signal front 1.493 - 1.507 V and delta lambda controller

> 0.10

DTC

Error Message

Malfunction Criteria and Threshold Value

P2243

O2 Sensor Reference Voltage Circuit Open (Bank 1,

Sensor 1)

• O2S signal front < 0.30 V and Internal resistance

• O2S signal front > 3.25 V and Internal resistance

> 1000 Ohms

> 1000 Ohms

P2270

O2 Sensor Signal Stuck Lean (Bank 1, Sensor 2)

• O2S signal rear < 0.63 - 0.64 V

• Enrichment after stuck lean 27.90%

P2271

O2 Sensor Signal Stuck Rich (Bank 1, Sensor 2)

• O2S signal rear > 0.63 - 0.64 V

• Enrichment after stuck rich 14.99%

P2279

Intake Air System Leak

• Threshold to detect a defective system > 1.33 - 1.60

P2293

Fuel Pressure Regulator 2 Performance

• Difference between target pressure vs. actual pressure:

> 1.50 mPa

or

• < -1.50 mPa

P2294

Fuel Pressure Regulator 2 Control Circuit

• Signal voltage 1.40 - 3.20 V

• Signal pattern incorrect

or

P2295

Fuel Pressure Regulator 2 Control Circuit Low Short to Ground

Signal voltage < 1.40 - 3.20 V

P2296

Fuel Pressure Regulator 2 Control Circuit High

Signal voltage > 3.20 V

DTC

Error Message

Malfunction Criteria and Threshold Value

P2400

Evaporative Emission System Leak Detection Pump Control Circuit Open

Signal voltage > 4.7 - 5.4 V

P2401

Evaporative Emission System Leak Detection Pump Control Circuit Low

Signal voltage > 2.74 - 3.26 V

P2402

Evaporative Emission System Leak Detection Pump Control Circuit High

Signal voltage at LDP current measuring resistor > 4.00 to

1.80 V

DTC

Error Message

Malfunction Criteria and Threshold Value

P2403

Evaporative Emission System Leak Detection Pump Sense Circuit/Open

Low signal voltage > 0.5 Sec.

P2404

Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance

• High signal voltage > 30.4 Sec.

P2414

O2 Sensor Exhaust Sample Error (Bank 1, Sensor 1)

Threshold 1

• Signal voltage 3.1 - 4.81 V

• O2S signal 2.5 - 3.2 V Threshold 2

• Signal voltage 2.5 V

• O2S signal 2.5 - 3.1 V

P2539

Low Pressure Fuel System Circuit

Signal voltage > 4.9 V

P2541

Low Pressure Fuel Sensor Circuit Low Input

Signal voltage < 0.2 V

P2626

O2 Sensor Pumping Current Trim Circuit Open (Bank 1 Sensor 1)

O2S signal front > 4.81 V

P3081

Engine Temperature Too Low

Difference between ECT and modeled ECT > 9.80 °K