PCM LOCATION
On "L" and "M" Series, PCM is located on left side of engine compartment, near battery. On "S" and "T" Series, PCM is located on right side of engine compartment.
Home/Chevrolet/Blazer/Chevrolet Blazer S15 facelift (1998-2005)/Repair manual/Testing & Diagnostics/Engine Controls Self-Diagnostics - 4.3L: Component Locations
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls Self-Diagnostics - 4.3L: Overview
- Engine Controls Self-Diagnostics - 4.3L: Diagnosis
- Engine Controls Self-Diagnostics - 4.3L: Component Locations
- Engine Controls Self-Diagnostics - 4.3L: Other
- DTC P0101: MASS AIRFLOW SYSTEM PERFORMANCE
- DTC P0102: MASS AIRFLOW SENSOR CIRCUIT - LOW FREQUENCY
- DTC P0103: MASS AIRFLOW SENSOR CIRCUIT - HIGH FREQUENCY
- DTC P0106: MANIFOLD ABSOLUTE PRESSURE SYSTEM PERFORMANCE
- DTC P0107: MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0108: MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0112: INTAKE AIR TEMPERATURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0113: INTAKE AIR TEMPERATURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0117: ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0118: ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0121: THROTTLE POSITION SENSOR PERFORMANCE
- DTC P0122: THROTTLE POSITION SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0123: THROTTLE POSITION SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0125: ENGINE COOLANT TEMPERATURE EXCESSIVE TIME TO ENTER CLOSED LOOP FUEL CONTROL
- DTC P0128: ENGINE COOLANT TEMPERATURE EXCEEDS LENGTH OF TIME TO REACH PRESET TEMPERATURE
- DTC P0131 OR P0151: HEATED OXYGEN SENSOR VOLTAGE LOW ("L" & "M" SERIES)
- DTC P0131 OR P0151: HEATED OXYGEN SENSOR VOLTAGE LOW ("S" & "T" SERIES)
- DTC P0132 OR P0152: HEATED OXYGEN SENSOR VOLTAGE HIGH ("L" & "M" SERIES)
- DTC P0132 OR P0152: HEATED OXYGEN SENSOR VOLTAGE HIGH ("S" & "T" SERIES)
- DTC P0133 OR P0153: HEATED OXYGEN SENSOR - SLOW RESPONSE ("L" & "M" SERIES)
- DTC P0133 OR P0153: HEATED OXYGEN SENSOR - SLOW RESPONSE ("S" & "T" SERIES)
- DTC P0134 OR P0154: HEATED OXYGEN SENSOR VOLTAGE STEADY WITHIN BIAS RANGE ("L" & "M" SERIES)
- DTC P0134 OR P0154: HEATED OXYGEN SENSOR VOLTAGE STEADY WITHIN BIAS RANGE ("S" & "T" SERIES)
- DTC P0135: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("L" & "M" SERIES)
- DTC P0135: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("S" & "T" SERIES)
- DTC P0137: HEATED OXYGEN SENSOR VOLTAGE REMAINS LOW ("L" & "M" SERIES)
- DTC P0137: HEATED OXYGEN SENSOR VOLTAGE REMAINS LOW ("S" & "T" SERIES)
- DTC P0138: HEATED OXYGEN SENSOR VOLTAGE REMAINS HIGH ("L" & "M" SERIES)
- DTC P0138: HEATED OXYGEN SENSOR VOLTAGE REMAINS HIGH ("S" & "T" SERIES)
- DTC P0140: HEATED OXYGEN SENSOR VOLTAGE IS WITHIN BIAS RANGE ("L" & "M" SERIES)
- DTC P0140: HEATED OXYGEN SENSOR VOLTAGE IS WITHIN BIAS RANGE ("S" & "T" SERIES)
- DTC P0141: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("L" & "M" SERIES)
- DTC P0141: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("S" & "T" SERIES)
- DTC P0155: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("L" & "M" SERIES)
- DTC P0155: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("S" & "T" SERIES)
- DTC P0171 OR P0174: FUEL TRIM SYSTEM LEAN
- DTC P0172 OR P0175: FUEL TRIM SYSTEM RICH
- DTC P0200: INCORRECT VOLTAGE FOR THE COMMANDED STATE OF INJECTOR DRIVER
- DTC P0230: INCORRECT VOLTAGE ON FUEL PUMP RELAY CONTROL CIRCUIT
- DTC P0300: ENGINE MISFIRE DETECTED
- DTC P0325: KNOCK SENSOR MODULE CIRCUIT
- DTC P0327: KNOCK SENSOR CIRCUIT
- DTC P0335: CRANKSHAFT POSITION SENSOR SIGNAL NOT DETECTED
- DTC P0336: CRANKSHAFT POSITION SENSOR SIGNAL OUT-OF-RANGE
- DTC P0341: CAMSHAFT POSITION SENSOR SIGNAL NOT DETECTED WHILE ENGINE IS RUNNING
- DTC P0351: IGNITION CONTROL VOLTAGE NOT WITHIN SPECIFIED RANGE
- DTC P0401: EGR SYSTEM - INSUFFICIENT FLOW
- DTC P0404: EGR POSITION SENSOR & DESIRED EGR POSITION IS MORE THAN 10 PERCENT
- DTC P0405: EGR POSITION SENSOR SIGNAL VOLTAGE EXCESSIVELY LOW
- DTC P0410: AIR INJECTION SYSTEM ("S" & "T" SERIES)
- DTC P0418: SECONDARY AIR INJECTION PUMP & AIR SOLENOID CIRCUIT ("S" & "T" SERIES)
- DTC P0420 OR P0430: THREE-WAY CATALYTIC CONVERTER - LOW EFFICIENCY
- DTC P0440: EVAPORATIVE EMISSION SYSTEM ("L" & "M" SERIES)
- DTC P0442: EVAPORATIVE SYSTEM FAILS TO HOLD A PREDETERMINED LEVEL OF VACUUM
- DTC P0443: EVAPORATIVE SYSTEM - INCORRECT VOLTAGE FOR THE COMMANDED STATE OF EVAP CANISTER PURGE SOLENOID DRIVER
- DTC P0446: EVAPORATIVE SYSTEM - VACUUM DECAY RATE IS MORE THAN A PREDETERMINED VALUE
- DTC P0449: EVAPORATIVE SYSTEM - INCORRECT VOLTAGE FOR THE COMMANDED STATE OF EVAP CANISTER VENT SOLENOID DRIVER
- DTC P0452: FUEL TANK PRESSURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0453: FUEL TANK PRESSURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0500: VEHICLE SPEED SENSOR (M/T ONLY)
- DTC P0506: IDLE SPEED - LOW
- DTC P0507: IDLE SPEED - HIGH
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 OR P1683: CONTROL MODULE EEPROM
- DTC P0650: MIL FAULT DETECTION CIRCUIT SENSES UNEXPECTED VOLTAGE
- DTC P0719: PCM DETECTS OPEN BRAKE SWITCH CIRCUIT DURING ACCELERATIONS
- DTC P0724: PCM DETECTS CLOSED BRAKE SWITCH CIRCUIT DURING DECELERATIONS
- DTC P1111: IAT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1112: IAT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1114: ECT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1115: ECT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1121: THROTTLE POSITION SENSOR CIRCUIT INTERMITTENT & EXCESSIVELY HIGH SIGNAL VOLTAGE
- DTC P1122: THROTTLE POSITION SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1133 OR P1153: HEATED OXYGEN SENSOR - INSUFFICIENT SWITCHING ("L" & "M" SERIES)
- DTC P1133 OR P1153: HEATED OXYGEN SENSOR - INSUFFICIENT SWITCHING ("S" & "T" SERIES)
- DTC P1134 OR P1154: HEATED OXYGEN SENSOR TRANSITION TIME RATIO NOT WITHIN CALIBRATED RANGE ("L" & "M" SERIES)
- DTC P1134 OR P1154: HEATED OXYGEN SENSOR TRANSITION TIME RATIO NOT WITHIN CALIBRATED RANGE ("S" & "T" SERIES)
- DTC P1258: ENGINE OVERTEMPERATURE CONDITION
- DTC P1336: CRANKSHAFT POSITION SENSOR SYSTEM VARIATION NOT LEARNED
- DTC P1345: CRANKSHAFT/CAMSHAFT POSITION SENSOR CORRELATION
- DTC P1380: MISFIRE DETECTED - ROUGH ROAD DATA NOT AVAILABLE
- DTC P1381: SERIAL DATA MALFUNCTION EXISTS - PREVENTING PCM FROM RECEIVING ROUGH ROAD DETECTION DATA
- DTC P1404: EGR VALVE IS STILL OPEN WHEN PCM IS COMMANDING EGR VALVE CLOSED
- DTC P1441: EVAPORATIVE SYSTEM - VACUUM IS GREATER THAN CALIBRATED VALUE ("L" & "M" SERIES)
- DTC P1441: EVAPORATIVE SYSTEM - VACUUM IS GREATER THAN CALIBRATED VALUE ("S" & "T" SERIES)
- DTC P1635: 5-VOLT REFERENCE 1 CIRCUIT OUT OF TOLERANCE
- DTC P1639: 5-VOLT REFERENCE 2 CIRCUIT OUT OF TOLERANCE
- Engine Controls - Trouble Shooting - No Codes: Diagnosis
- Engine Controls - Trouble Shooting - No Codes: Other
- Engine Controls - System & Component Testing: Specifications
- Engine Controls - System & Component Testing: Overview
- Engine Controls - System & Component Testing: Diagnosis
- Engine Controls - System & Component Testing: Wiring
- Engine Controls - System & Component Testing: Component Locations
- Engine Controls - System & Component Testing: Other
- Engine Controls - Basic Diagnostic Procedures: Overview
- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- A/c Compressor
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