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Autor Sõnum
PostitusPostitatud: 04 Aug 2006, 10:49 
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Liitunud: 01 Nov 2005, 21:11
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Similar Models

Most of the information contained here pertains to the 1993-96 Cadillac Fleetwood Brougham (D-Bodys), however almost all the components used on these cars are also shared with other Cadillac models and GM makes (ie. B-Bodys). Here's a partial list of other cars that this information might possibly pertain to:

* Buick Roadmaster
* Chevorlet Caprice
* Chevorlet Impala Super Sport
* Oldsmobile Custom Cruiser


Calibration Information

Calibration information on any 1993 or later model year GM vehicle (Buick, Chevrolet, Chevy Truck, Oldsmobile, Pontiac, GMC, Cadillac, and Saturn) equipped with a reprogrammable engine controller (PCM or VCM). Vehicle Calibration Information Obtain the latest engine controller calibration information for your vehicle simply by entering the vehicle's 17 character Vehicle Identification Number (VIN) - From GM


Using the On-Board Diagnostics

Your Cadillac is equipped with a very good on-board diagnostic system capable of reading out the stored trouble codes.

To enter diagnotic mode:

* With the ignition in the "RUN" position (engine does not necessarily need to be running, but it will work either way).
* Push (and hold) "OFF" and "WARMER" simultaneously on the Electronic Climate Control (ECC) until all telltales lights illuminate (segment check).
* Release the "OFF" and "WARMER" buttons.
* System is now in diagnostic mode. "00" (zero-zero) should now be displayed. This is the pointer.
* Pressing "OUTSIDE TEMP" will allow you to display the corresponding code for the pointer.
* Use the "FAN SPEED" override switch (UP/DOWN) to increment or decrement the pointer number.
* Pressing "AUTO" or turning the ignition switch "OFF" exits diagnotic mode.

Pointers 00-04 contain the stored trouble codes.

* "00" = Powertrain Control Module (PCM) codes
* "01" = Central Control Module (CCM) codes
* "02" = Heating, Ventilation and Air-Conditioning (HVAC) codes
* "03" = Supplemental Inflatable Restraint (SIR) codes
* "04" = Anti-lock Brake/Traction Control System (ABS/TC) Codes

Codes prefixed by a "1" are history codes.

A code can be cleared by pressing the "OFF" button while that particular code is being displayed.

1993 5.7L Throttle Body Injection, VIN 7
1994-1995-1996 5.7L Fuel Injection, VIN P

Powertrain Control Module (PCM) Codes

Code Description
00-11 ........................................ Malfunction Indicator Lamp (MIL) circuit
00-13 ....................................... Heated Oxygen sensor voltage out of range
00-14 ........ Coolant temperature sensor signal indicates excessively high temperature
00-15 ......... Coolant temperature sensor signal indicates abnormally cold temperature
00-16 ............................ Distributor low resolution pulse not received by ECM
00-18 .................................. Injector driver circuit voltage to PCM problem
00-21 ........................................................ TPS high voltage problem
00-22 ......................................................... TPS low voltage problem
00-23 ...................... Inlet air temperature sensor indicates low air temperature
00-24 ........................................... Throttle position angle problem (VSS)
00-25 ............... Inlet air temperature (IAT) sensor indicates high air temperature
00-26 ................... ECM detected wrong potential voltage at #1 quad-driver module
00-27 ................... ECM detected wrong potential voltage at #2 quad-driver module
00-28 ................... ECM detected wrong potential voltage at #3 quad-driver module
00-29 .......................... Secondary air injection pump circuit voltage was wrong
00-31 .................. Cam pulse missing on first pass through internal ECM self test
00-32 .......... EGR open command did not change fuel mixture during off idle operation
00-33 ............................. MAP sensor signal voltage was too high (low vacuum)
00-34 ............................. MAP sensor signal voltage was too low (high vacuum)
00-35 ........................................... MAP sensor signal showed a low vacuum
00-36 ........................................... ECM timing pulse/low resolution pulse
00-37 ............................................................ Brake swith stuck ON
00-38 ........................................................... Brake swith stuck OFF
00-41 ........................................................ EST circuit high voltage
00-42 ...................................................... PCM did not detect any EST
00-43 .......................... One or both knock sensors were either open or grounded
00-44 ....................... Left oxygen sensor under voltages (closed loop operation)
00-45 ......................... Left oxygen sensor over voltage (closed loop operation)
00-46 ............................................ Anti-Theft Pass Key signal was wrong
00-47 ............................................. Knock sensor signal was not present
00-48 ............................................... No MAF signal with engine running
00-50 .................................. PCM detected an ignition low voltage condition
00-51 ......................................................... Programmed EEPROM error
00-52 ............................................. Engine oil low temperature detected
00-53 ................................... ECM detected a battery high voltage condition
00-54 ......................................... Fuel pump system voltage problem (high)
00-55 .................... ECM detected lean oxygen sensor during power enrichment mode
00-56 .............................................. Vacuum sensor voltage out of range
00-58 ............ Transmission Fluid Temperature sensor circuit low (high temperature)
00-59 ............ Transmission Fluid Temperature sensor circuit high (low temperature)
00-61 ................ Vacuum sensor voltage problem with secondary port throttle valve
00-62 ............................................ Engine oil high temperature detected
00-63 ..................................................... Right oxygen sensor problem
00-64 ................. Right oxygen sensor low voltage problem (closed loop operation)
00-65 ................ Right oxygen sensor high voltage problem (closed loop operation)
00-66 ..................................... A/C pressure sensor circuit open or shorted
00-67 ........ ECM did not detect an A/C system pressure change with A/C clutch engaged
00-68 ....... ECM detects voltage on A/C status line after ECM disengaged the A/C relay
00-69 ........ ECM did not detect voltage on A/C status line after ECM commanded A/C ON
00-70 .............. A/C clutch relay circuit showed incorrect potential voltage at PCM
00-72 ........... Transmission output speed changed with vehicle was in park or neutral
00-73 ............................... Pressure control solenoid return amperage problem
00-74 ........... Traction control system active signal with vehicle in park or neutral
00-75 ........................... Ignition low voltage with engine speed above 1000 RPM
00-77 .................. Cooling fan relay #1 control potential voltage incorrect (PCM)
00-78 ........... Cooling fan relay #2 and #3 control potential voltage incorrect (PCM)
00-79 ............. Transmission fluid temperature signal indicates high temp condition
00-81 ......................................... Transmission 2-3 shift solenoid problem
00-82 ......................................... Transmission 1-2 shift solenoid problem
00-83 .................................................. TCC PWM solenoid circuit fault
00-84 ......................................... Transmission 3-2 shift solenoid problem
00-85 ................................. TCC solenoid problem after commanded OFF by PCM
00-90 ...................................................... TCC solenoid circuit fault
00-91 ............... One to Four up-shift lamp control signal showed incorrect voltage
00-95 ......................................................... Change oil lamp circuit
00-96 ............................................................ Low oil lamp circuit
00-97 ............................... VSS output signal showed incorrect voltage at PCM
00-98 .............................. Tach output signal showed incorrect voltage at PCM

Central Control Module (CCM) Codes

Code Description
01-20 ................ Retained Accessory Power (RAP) enable circuit shorted to battery
01-21 ......... Retained Accessory Power (RAP) enable circuit open or shorted to ground
01-22 .................. Delayed Interior Light (DIL) enable circuit shorted to battery
01-23 ........... Delayed Interior Light (DIL) enable circuit open or shorted to ground
01-24 ...................................... Courtesy output circuit shorted to battery
01-25 ............................... Courtesy output circuit open or shorted to ground
01-26 ......... Variable Effort Steering (VES) output circuit open or shorted to ground
01-27 ........................................... VES output circuit shorted to battery
01-28 ............................................ VES tracking error (open or shorted)
01-30 .............................. PASS key fault telltale circuit shorted to battery
01-31 ....................... PASS key fault telltale circuit open or shorted to ground
01-32 .......................................... Fuel enable circuit shorted to battery
01-33 ................................... Fuel enable circuit open or shorted to ground
01-34 ...................................... Headlamp enable circuit shorted to battery
01-35 .................................. Parking lamp enable circuit shorted to battery
01-36 ................... Daytime Running Lamps (DRL) enable circuit shorted to battery
01-37 ............ Daytime Running Lamps (DRL) enable circuit open or shorted to ground
01-40 ......................... Delay pot circuit shorted to ground (Twilight Sentinel)
01-41 ................ Delay pot circuit open or shorted to battery (Twilight Sentinel)
01-42 .......................................... Key resistor circuit shorted to ground
01-43 ................................. Key resistor circuit open or shorted to battery
01-44 ......................... Steering wheel sensor circuit open or shorted to ground
01-45 ........................ Steering wheel sensor circuit open or shorted to battery
01-46 ............................................................ CCM Internal Failure
01-47 ..................................................... Canadian Select Input Error

Heating, Ventilation and Air Conditioning (HVAC) Codes

Code Description
02-01 ................................... Outside Air Temperature Sensor Circuit (open)
02-02 ................................ Outside Air Temperature Sensor Circuit (shorted)
02-03 .................................... In-Car air temperature sensor circuit (open)
02-04 ................................. In-Car air temperature sensor circuit (shorted)
02-05 ...................................... Sun load temperature sensor circuit (open)
02-06 ................................... Sun load temperature sensor circuit (shorted)
02-10 .................................................... Air mix motor circuit (open)
02-11 ................................................. Air mix motor circuit (shorted)
02-26 .................................. Serial Data Communication error (shorted/open)
02-27 ......................................................... Invalid EEPROM detected

Supplemental Inflatable Restraint (SIR) Codes

Code Description
03-15 ..................................... Passenger initiator circuit resistance high
03-16 ...................................... Passenger initiator circuit resistance low
03-17 ................................................ Passenger initiator circuit open
03-21 ........................................ Driver initiator circuit resistance high
03-22 ......................................... Driver initiator circuit resistance low
03-24 ................................................... Initiator circuit voltage low
03-25 ............................................. Initiator circuit short to ignition
03-26 ................................................... Driver initiator circuit open
03-35 ................................. Discriminating sensor open or shorted to ground
03-36 ............................. Discriminating sensor closed or shorted to ignition
03-51 .......................................................... Frontal crash detected
03-52 .................................................................. Data area full
03-61 ................................................... SIR indicator circuit failure
03-62 ......................................... Redundant SIR indicator circuit failure
03-71 .............................................................. Internal SDM Fault

Anti-Lock Brake/Traction Control (ABS/TC) Codes

Code Description
04-21 ........................................................ Front right wheel speed sensor
04-23 ............................... Wheel speed sensor circuit continuity malfunction
04-25 ........................................................ Front left wheel speed sensor
04-27 ............................... Wheel speed sensor circuit continuity malfunction
04-28 ................................ Wheel speed sensor circuit frequency malfunction
04-31 ......................................................... Rear right wheel speed sensor
04-33 ............................... Wheel speed sensor circuit continuity malfunction
04-35 ......................................................... Rear left wheel speed sensor
04-37 ............................... Wheel speed sensor circuit continuity malfunction
04-41 .................................... Right Front Inlet Valve Solenoid malfunction
04-42 ................................... Right Front Outlet Valve Solenoid malfunction
04-44 ................................................ Pilot Valve Solenoid Malfunction
04-45 ..................................... Left Front Inlet Valve Solenoid malfunction
04-46 .................................... Left Front Outlet Valve Solenoid malfunction
04-47 ............................................... TCS Prime Valve (ASV) Malfunction
04-48 ........................... TCS Master Cylinder Isolation Valve (USV) Malfunction
04-51 ..................................... Right Rear Inlet Valve Solenoid malfunction
04-52 .................................... Right Rear Outlet Valve Solenoid malfunction
04-55 ...................................... Left Rear Inlet Valve Solenoid malfunction
04-56 ..................................... Left Rear Outlet Valve Solenoid malfunction
04-58 .................................... EBTCM Internal Adjuster Assembly Malfunction
04-61 ................................................ BPM Valve Pump Motor Malfunction
04-62 .......................................................... RPM Signal Malfunction
04-63 .............................................. BPM Valve Power Supply Malfunction
04-64 ............................................ Throttle position signal malfunction
04-65 ....................................................... Adjuster assembly circuit
04-66 ........................................... Adjuster assembly control malfunction
04-67 ............................................. Throttle position sensor comparison
04-71 ...................................................... EBTCM Internal Malfunction
04-72 ................................................... Serial data lin e malfunction
04-73 ......................................................... Spark retard monitoring
04-85 .................................................. Low Voltage Condition Detected

Diagnostic Pointers and Parameters

No. Description Range Default Value Units
-00 PCM System Diagnostic Trouble Codes ...............................................
-01 CCM System Diagnostic Trouble Codes ...............................................
-02 ACAC (HVAC) System Diagnostic Trouble Codes .......................................
-03 SIRSystem Diagnostic Trouble Codes ................................................
-04 ABS/TC System Diagnostic Trouble Codes ............................................
-05 Program number .......................... 0-255 ....... n/a ............. Counts
-07 Command Blower Motor Speed .............. 0-128 ....... n/a ............. Counts
-14 Vehicle speed ........................... 0-199 ....... n/a ................ MPH
-15 HVAC Learn Mode (Temp Cal) .............. -5 to +5 F .. 0 F ............ Degrees
-18 Sun Load Sensor ......................... 0-255 ....... n/a ............. Counts
-20 Current Temperature Valve Position ...... 0-255 ....... 240 ............. Counts
-22 Temperature Valve Position (Full Cold) .. 180-250 ..... 180 ............. Counts
-23 Temperature Valve Position (Full Hot) ... 5-60 ........ 60 .............. Counts
-24 Engine Coolant Temperature .............. -40 to 151 .. n/a ............ Celsius
-25 Command Temperature Valve Position ...... 0-255 ....... 128 ............. Counts
-27 Air Delivery Mode ....................... 0-9 ......... n/a ... Code (see below)
-28 Inside Air Temperature Sensor ........... 0-255 ....... n/a ............. Counts
-31 Outside Air Temperature Sensor .......... 0-255 ....... n/a ............. Counts
-37 EEPROM Revision Number .................. 0-0000 ...... n/a ............... Code

HVAC Air Deliver Mode Table
Code Mode
00 -- Off
01 -- Recirc
02 -- A/C
03 -- Bi-Level
04 -- Defog
05 -- Heater
06 -- Defrost
07 -- Blower delay
08 -- Purge
09 -- A/C Purge


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