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Home >> Cadillac >> 2006 >> SRX 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.6L (LH2) - Introduction (1 Of 2) >> Scan Tool Data List

Scan Tool Data List

The Engine Scan Tool Data List contains all engine related parameters that are available on the scan tool. The list is arranged in alphabetical order. A parameter may appear in any one of the data lists, and in some cases may appear more than once, or in more than one data list in order to group certain related parameters together.

Use the Engine Scan Tool Data List only after the following conditions are determined:

Scan tool values from a properly running engine may be used for comparison with the engine you are diagnosing. The Engine Scan Tool Data List represents the values that would be seen on a normal running engine.

IMPORTANT: Do not use a scan tool that displays faulty data. The scan tool concern should be reported to the manufacturer. Use of a faulty scan tool can result in misdiagnosis and in unnecessary parts replacement.

Only the parameters listed below are referenced in this service manual for use in diagnosis. If all values are within the typical range described below, refer to Symptoms - Engine Controls for diagnosis.

The column labeled Data List indicates where a parameter is located on the scan tool. Review the scan tool operating manual for the exact locations of the data lists. The following is a description of each term listed:

CMP

Camshaft Phaser Data List

Eng 1

Engine Data 1 List

EVAP

EVAP Data

FT

Fuel Trim Data List

HO2S

HO2S Data List

Ign

Ignition Data List

MF

Misfire Data List

ODM

Output Driver Data List

TAC

TAC Data List

Scan Tool Data List

Scan Tool Parameter Data List Parameter Range/Units Typical Data Values
Engine Idling/Radiator Hose Hot/Park or Neutral/Closed Loop/Accessories Off
A/C Relay Circuit Status ODM OK/Fault OK
A/C Relay Command Eng 1, MF On/Off Off
APP Indicated Angle CMP, EVAP, HO2S, Ign, TAC, FT 0-99% 0
APP Sensor 1 TAC 0.9-4.5 Volts 1 Volt
APP Sensor 1 TAC % 0%
APP Sensor 2 TAC 0.45-2.25 Volts 0.5 Volt
APP Sensor 2 TAC % 2%
APP Sensor 1 and 2 TAC Agree/Disagree Agree
Baro Eng 1, EVAP, FT, HO2S, Ign 65-104 kPa -16 psi Varies with altitude
Catalytic Converter Protection Active FT, HO2S Yes/No No
Commanded Gear Eng 1, FT, MF P/N/R/1-5 P/N
Cruise Control Active TAC, Eng 1 Yes/No No
Current Gear Signal Eng 1, FT Valid/Invalid Valid
Cycles of Misfire Data MF 0-9999 Counts 0
Cylinder 1-8 IC Circuit Status ODM Fault/OK OK
Cylinder 1-8 Injector Circuit Status ODM Fault/OK OK
Cylinder 1-8 Knock Retard Ign Degrees 0
Decel. Fuel Cutoff Eng 1, FT, HO2S Active/Inactive Inactive
Desired Exhaust CMP Bn 1 or Bn 2 CMP Degrees 0
Desired HO2S Bank 1 or Bank 2 Sensor 1 FT, HO2S Lambda Varies
Desired Idle Speed CMP, Eng 1, EVAP, TAC 0-7,000 RPM 650 RPM
Desired Intake CMP Bn 1 or Bn 2 CMP Degrees 0
Desired Ignition Spark Ign 0-100% 68%
Desired Torque Ign, FT N.m 45-55
EC Ignition Relay Command Eng 1, TAC On/Off On
EC Ignition Relay Feedback Signal Eng 1, TAC volts 13.5 V
ECM Reset Eng 1, EVAP, FT, Ign, ODM, Yes/NO No
ECT Sensor CMP, Eng 1, EVAP, FT, Ign, HO2S, MF, TAC -39 to +140°C/-38 to +284°F 93-105°C/200-220°F
Engine Load CMP, Eng 1, EVAP, FT, HO2S, Ign, MF, TAC 0-99% 25%
Engine Off EVAP Test Conditions Met EVAP Yes/No No
Engine Off EVAP Test Ran Last Ignition Cycle EVAP Yes/No No
Engine Off Time EVAP Seconds 0
Engine Oil Level Switch Eng 1, CMP OK/Low OK
Engine Oil Life Remaining CMP, Ign % Varies
Engine Oil Pressure Sensor CMP, Eng 1, MF kPa/psi 140 kPa/ 20 psi
Engine Oil Temperature CMP °C/°F 95°C
Engine Run Time CMP, Eng 1, EVAP, FT, HO2S, Ign, MF, TAC 0:00:00 Varies
Engine Speed CMP, Eng 1, EVAP, FT, HO2S, Ign, MF, TAC RPM 650 RPM
Engine Torque Ign, FT N.m 45-55
EVAP Fault History EVAP Fault/No Fault No Fault
EVAP Purge Solenoid Command Eng 1, EVAP, FT, HO2S 0-100% 0%
EVAP Purge Solenoid Circuit Status ODM Fault/OK OK
EVAP Vent Solenoid Command Eng 1, EVAP, FT Venting/Not Venting Venting
EVAP Vent Solenoid Circuit Status ODM Fault/OK OK
EVAP Test Abort Reason EVAP Aborted/Not Aborted Not Aborted
EVAP Test Result EVAP Aborted/No Result/Passes/Failed Varies
EVAP Test State EVAP Purge/wait for purge/Test complete Varies
Exhaust CMP Angle Bank 1 or Bank 2 CMP, Eng 1, Ign Degrees 0
FC Relay 1 Command Eng 1 ON/OFF OFF
FC Relay 1 Circuit Status ODM OK/Fault OK
FC Relay 2 Command Eng 1 ON/OFF OFF
FC Relay 1 Circuit Status ODM OK/Fault OK
Fuel Level Sensor Left Tank EVAP 0-5 Volts Varies
Fuel Level Sensor Right Tank EVAP 0-5 Volts Varies
Fuel Pump Command Eng 1 On/Off On
Fuel Pump Relay Circuit Status Eng 1 OK/Fault OK
Fuel Tank Level Remaining Eng 1, EVAP, MF Gal/L Varies
Fuel Tank Pressure Sensor EVAP Volts 0-5
Fuel Tank Pressure Eng 1, EVAP in H2O/mm Hg Varies
Fuel Tank Rated Capacity EVAP Liters/Gal 75.8/20
Fuel Trim Cell Eng 1, EVAP, FT varies 2
Fuel Trim Learn Eng 1, EVAP, FT Enabled/Disabled Disabled
Fuel Volatility EVAP, FT Low/High Low
Gen L Terminal Signal Command Eng 1 On/Off On
HO2S Bank 1 or Bank 2 Sensor 1 Eng 1, EVAP, FT, HO2S Lambda Varies
HO2S Bank 1 or Bank 2 Sensor 2 Eng 1, FT, HO2S 0-4,998 mV Varies 400-800 mV
HO2S Heater Bank 1 or Bank 2 Sen. 1 FT, HO2S 0-99% 50%
HO2S Heater Bank 1 or Bank 2 Sen. 2 FT, HO2S 0-99% 99%
Hot Open Loop HO2S, FT Active/Inactive Inactive
IAT Sensor CMP, Eng 1, EVAP, FT, HO2S, Ign, TAC -39 to +140°C/-38 to +284°F Varies
Ignition 0 Signal Eng 1, TAC ON/OFF ON
Ignition 1 Signal CMP, Eng 1, EVAP, FT, HO2S, Ign, MF, TAC 0-25.5 Volts 12.8-14.2 Volts
Ignition Spark Efficiency Ign 0-100% 60-70%
Initial Brake Apply Signal Eng 1, TAC Applied/Released Released
Inj. PWM Bank 1 or Bank 2 Average Eng 1, FT, HO2S, Ign, MF 0-9 ms 3.0-5.4 ms
Injector 1-8 Command FT, MF ms 3-5.4 ms
Instant FT Bank 1 or Bank 2 FT % Varies
Intake CMP Bank 1 or Bank 2 CMP, Ign, Eng 2 Degrees 0
Integral FT Bank 1 or Bank 2 FT % Varies
Knock Retard Eng1, Ign 0-191 Degrees 0
Long Term FT Bank 1 or Bank. 2 Eng 1, EVAP, FT, HO2S -100 to +100% 9%
LT FT Bank 1 or Bank 2 High RPM/Load FT -100 to +100% -90% to -50%
LT FT Bank. 1 or Bank 2 Low RPM/Load FT mg/stk 0
Loop Status Eng 1, EVAP, FT, HO2S Open/Closed Closed
MAF Sensor CMP, Eng 1, EVAP, FT, HO2S, Ign, MF, TAC 0-655 g/s 3-7 g/s
MAF Sensor CMP, Eng 1, EVAP, HO2S, MF, TAC, FT 0-9999 Hz 2,600 Hz
MAP Sensor CMP, Eng 1, EVAP, FT, HO2S, Ign, MF, TAC kPa 33-35 kPa
MIL Circuit Status ODM Fault/OK OK
MIL Command Eng 1, Ign On/Off Off
MIL Requested by DTC Eng 1, Ign Yes/No No
Mileage Since DTC Cleared Eng 1 km/mi Varies
Misfire Detects Rough Road MF Yes/No No
Misfire History Cyl. 1-8 MF 0-255 Counts 0
Moderate Brake Apply Signal Eng 1, TAC, Applied/Released Released
PNP Switch Eng 1 In Gear /Park/Neutral Park/Neutral
Power Enrichment Eng 1, FT, HO2S, MF Active/Inactive Inactive
Reduced Engine Power Eng 1, TAC Active/Inactive Inactive
Power Induced Pitch Circuit Status ODM OK/Fault OK
Reference Voltage 1 Signal Eng 1, Ign, TAC 0-5 Volts 5 V
Reference Voltage 2 Signal Eng 1, Ign, TAC 0-5 Volts 5 V
Short Term FT Bank 1 or Bank 2 Eng 1, EVAP, FT, HO2S -100 to +100% -3% to +3%
Spark Eng 1, FT, HO2S, Ign, MF -133 to +78 Degrees 2-5 Degrees
Start Up ECT EVAP, FT, HO2S, Ign -39 to +140°C/-38 to +284°F Varies
Start Up IAT EVAP, FT, HO2S -39 to +140°C/-38 to +284°F Varies
Starter Relay Circuit Status ODM OK/Fault OK
Starter Relay Command Eng 1 On/Off Off
Stoplamp Pedal Switch Eng 1, TAC Applied/Released Released
TAC Motor Command TAC % 20-28%
TAC Direction TAC Close/Open Close
TCS Control Signal TAC None/Reduced None
Torque Request Signal TAC % 90%
Torque Delivered Signal TAC % 39%
Total Misfire Count MF 0-9999 Counts 0
TP Sensor 1 Learned Min TAC 0-5 Volts 0-0.5 Volts
TP Sensor 2 Learned Min TAC 5-0 Volts 3.7-5 Volts
TP Desired Angle Eng 1, EVAP, TAC 0-99% 2%
TP Indicated Angle CMP, Eng 1, EVAP, FT, HO2S, Ign, MF, TAC 0-99% 2 percent
TP Learned TAC Yes/No No
TP Learn Enable TAC Yes/No No
TP Learn Required TAC Yes/No No
TP Sensor 1 TAC 0-5 Volts 0.5-0.8 Volts
TP Sensor 1 TAC % 1
TP Sensors 1 and 2 TAC Agree/Disagree Agree
TP Sensor 2 TAC 0-5 Volts 4.1-4.5 Volts
TP Sensor 2 TAC % 1
Transmission Gear selector Signal Eng 1 Valid/invalid Valid
TWC Temperature Calculated FT, MF C/F 400-500°C (752-932°F)
Vehicle Security Status Eng 1 Fuel Continue/Fuel Disable Fuel Continue
Vehicle Speed Sensor CMP, Eng 1, EVAP, FT, HO2S, HVAC, Ign, MF, TAC km/mi 0
VTD Password Learn Enable Eng 1 Yes/No No