Note. For circuit reference, see DTC P0300 schematic.
Circuit Description
This test checks for camshaft pulses not received when 4X reference pulses are being received. This indicates that a camshaft sensor circuit failure and DTC will set.
Home/Oldsmobile/Aurora/Oldsmobile Aurora I (1994-1999)/Repair manual/Testing & Diagnostics/DTC P0340 - IGNITION CONTROL (IC) MODULE CAM REFERENCE CIRC…
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Testing 4.0L: Diagnosis
- Engine Controls - Basic Testing 4.0L: Removal & Installation
- Engine Controls - Basic Testing 4.0L: Other
- Engine Control System Tests W/o Codes: Overview
- Engine Control System Tests W/o Codes: Diagnosis
- Engine Control System Tests W/o Codes: Other
- Engine Controls - Tests W/codes: Specifications
- Engine Controls - Tests W/codes: Diagnosis
- Engine Controls - Tests W/codes: Component Locations
- Engine Controls - Tests W/codes: Other
- DTC P0102 - MAF SENSOR CIRCUIT LOW FREQUENCY
- DTC P0103 - MAF SENSOR CIRCUIT HIGH FREQUENCY
- DTC P0106 - MAP SENSOR SYSTEM PERFORMANCE
- DTC P0107 - MAP SENSOR CIRCUIT LOW VOLTAGE
- DTC P0108 - MAP SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0111 - IAT SENSOR CIRCUIT PERFORMANCE
- DTC P0112 - IAT SENSOR CIRCUIT LOW VOLTAGE
- DTC P0113 - IAT SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0116 - ECT SENSOR CIRCUIT PERFORMANCE
- DTC P0117 - ECT SENSOR CIRCUIT LOW VOLTAGE
- DTC P0118 - ECT SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0120 - TP SENSOR SYSTEM PERFORMANCE
- DTC P0121 - TP SENSOR CIRCUIT INSUFFICIENT ACTIVITY
- DTC P0122 - TP SENSOR CIRCUIT VOLTAGE LOW
- DTC P0123 - TP SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0125 - ECT EXCESSIVE TIME TO REACH CLOSED LOOP
- DTC P0132 - HO2S CIRCUIT HIGH VOLTAGE BANK 1, SENSOR 1 (REAR)
- DTC P0133 - HO2S SLOW RESPONSE BANK 1, SENSOR 1 (REAR)
- DTC P0134 - HO2S INSUFFICIENT ACTIVITY BANK 1, SENSOR 1 (REAR)
- DTC P0135 - HO2S HEATER CIRCUIT BANK 1, SENSOR 1 (REAR)
- DTC P0138 - HO2S CIRCUIT HIGH VOLTAGE BANK 1, SENSOR 2 (PRE-CONVERTER)
- DTC P0139 - HO2S SLOW RESPONSE BANK 1, SENSOR 2 (PRE-CONVERTER)
- DTC P0140 - HO2S INSUFFICIENT ACTIVITY BANK 1, SENSOR 2 (PRE-CONVERTER)
- DTC P0141 - HO2S HEATER CIRCUIT BANK 1, SENSOR 2 (PRE-CONVERTER)
- DTC P0143 - HO2S CIRCUIT LOW VOLTAGE BANK 1, SENSOR 3 (POST-CONVERTER)
- DTC P0144 - HO2S CIRCUIT VOLTAGE HIGH BANK 1, SENSOR 3 (POST-CONVERTER)
- DTC P0146 - HO2S CIRCUIT INSUFFICIENT ACTIVITY BANK 1, SENSOR 3 - POST-CONVERTER
- DTC P0147 - HO2S HEATER CIRCUIT BANK 1, SENSOR 3 - POST-CONVERTER
- DTC P0151 - HO2S CIRCUIT LOW VOLTAGE BANK 2, SENSOR 1 (FRONT)
- DTC P0152 - HO2S CIRCUIT HIGH VOLTAGE BANK 2, SENSOR 1 (FRONT)
- DTC P0153 - HO2S SLOW RESPONSE BANK 2, SENSOR 1 (FRONT)
- DTC P0154 - HO2S CIRCUIT INSUFFICIENT ACTIVITY BANK 2, SENSOR 1 (FRONT)
- DTC P0155 - HO2S HEATER CIRCUIT BANK 2, SENSOR 1 (FRONT)
- DTC P0171 - FUEL TRIM SYSTEM LEAN BANK 1
- DTC P0172 - FUEL TRIM SYSTEM RICH BANK 1
- DTC P0174 - FUEL TRIM SYSTEM LEAN BANK 2
- DTC P0175 - FUEL TRIM SYSTEM RICH BANK 2
- DTC P0202 - INJECTOR NO. 2 CONTROL CIRCUIT
- DTC P0203 - INJECTOR NO. 3 CONTROL CIRCUIT
- DTC P0204 - INJECTOR NO. 4 CONTROL CIRCUIT
- DTC P0205 - INJECTOR NO. 5 CONTROL CIRCUIT
- DTC P0206 - INJECTOR NO. 6 CONTROL CIRCUIT
- DTC P0207 - INJECTOR NO. 7 CONTROL CIRCUIT
- DTC P0208 - INJECTOR NO. 8 CONTROL CIRCUIT
- DTC P0232 - FUEL PUMP FEEDBACK CIRCUIT HIGH VOLTAGE
- DTC P0300-P0308 - ENGINE MISFIRE DETECTED
- DTC P0322 - IGNITION CONTROL (IC) MODULE 4X REFERENCE CIRCUIT NO FREQUENCY
- DTC P0325 - KNOCK SENSOR MODULE CIRCUIT
- DTC P0326 - KNOCK SENSOR CIRCUIT EXCESSIVE SPARK RETARD
- DTC P0327 - KNOCK SENSOR LOW VOLTAGE
- DTC P0340 - IGNITION CONTROL (IC) MODULE CAM REFERENCE CIRCUIT NO FREQUENCY
- DTC P0371 - IGNITION CONTROL (IC) MODULE 24X REFERENCE CIRCUIT TOO MANY PULSES
- DTC P0372 - IGNITION CONTROL (IC) MODULE 24X REFERENCE CIRCUIT MISSING PULSES
- DTC P0401 - EGR SYSTEM MALFUNCTION
- DTC P0420 - TWC SYSTEM LOW EFFICIENCY
- DTC P0507 - IAC SYSTEM RPM HIGH
- DTC P0550 - POWER STEERING PRESSURE SWITCH CIRCUIT VOLTAGE LOW
- DTC P0563 - SYSTEM VOLTAGE HIGH
- DTC P1106 - MAP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1107 - MAP SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1108 - BARO-TO-MAP SENSOR CIRCUIT COMPARISON TOO HIGH
- 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 - TP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1122 - TP SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1133 - HO2S INSUFFICIENT SWITCHING BANK 1, SENSOR 1 (REAR)
- DTC P1134 - HO2S TRANSITION TIME RATIO BANK 1, SENSOR 1 (REAR)
- DTC P1139 - HO2S INSUFFICIENT SWITCHING BANK 1, SENSOR 2 (PRE-CONVERTER)
- DTC P1140 - HO2S TRANSITION TIME RATIO BANK 1, SENSOR 2 (PRE-CONVERTER)
- DTC P1153 - HO2S INSUFFICIENT SWITCHING BANK 2, SENSOR 1 (PRE-CONVERTER)
- DTC P1154 - HO2S TRANSITION TIME RATIO BANK 2, SENSOR 1 (FRONT)
- DTC P1258 - ENGINE OVER-TEMPERATURE PROTECTION
- DTC P1320 - IGNITION CONTROL (IC) MODULE 4X REFERENCE CIRCUIT INTERMITTENT NO PULSE
- DTC P1323 - IGNITION CONTROL (IC) MODULE 24X REFERENCE CIRCUIT LOW FREQUENCY
- DTC P1350 - IGNITION CONTROL (IC) SYSTEM
- DTC P1370 - IGNITION CONTROL (IC) MODULE 4X REFERENCE CIRCUIT TOO MANY PULSES
- DTC P1371 - IGNITION CONTROL (IC) MODULE 4X REFERENCE CIRCUIT TOO FEW PULSES
- DTC P1375 - IGNITION CONTROL (IC) MODULE 24X REFERENCE CIRCUIT HIGH VOLTAGE
- DTC P1376 - IGNITION GROUND CIRCUIT
- DTC P1377 - IGNITION CONTROL (IC) MODULE CAM PULSE TO 4X REFERENCE PULSE COMPARISON
- DTC P1381 - MISFIRE DETECTED-NO EBTCM/PCM SERIAL DATA
- DTC P1406 - EGR VALVE PINTLE POSITION CIRCUIT
- DTC P1441 - EVAP SYSTEM FLOW DURING NON-PURGE
- DTC P1442 - EVAP VACUUM SWITCH VOLTAGE HIGH DURING IGNITION ON
- DTC P1508 - IAC SYSTEM LOW RPM
- DTC P1509 - IAC SYSTEM HIGH RPM
- DTC P1524 - TP SENSOR LEARNED CLOSED THROTTLE ANGLE DEGREES OUT OF RANGE
- DTC P1526 - TP SENSOR LEARN NOT COMPLETE
- DTC P1535 - A/C HIGH SIDE TEMPERATURE SENSOR CIRCUIT
- DTC P1536 - A/C SYSTEM ECT OVER-TEMPERATURE
- DTC P1537 - A/C REQUEST CIRCUIT LOW VOLTAGE
- DTC P1538 - A/C REQUEST CIRCUIT HIGH VOLTAGE
- DTC P1539 - A/C HIGH PRESSURE SWITCH CIRCUIT HIGH VOLTAGE
- DTC P1540 - A/C SYSTEM - HIGH PRESSURE
- DTC P1542 - A/C SYSTEM HIGH PRESSURE/HIGH TEMPERATURE
- DTC P1560 - CRUISE CONTROL SYSTEM TRANSAXLE NOT IN DRIVE
- DTC P1564 - CRUISE CONTROL SYSTEM VEHICLE ACCELERATION TOO HIGH
- DTC P1566 - CRUISE CONTROL SYSTEM ENGINE RPM TOO HIGH
- DTC P1570 - CRUISE CONTROL SYSTEM TRACTION CONTROL ACTIVE
- DTC P1571 - TRACTION CONTROL SYSTEM PULSE WIDTH MODULATED (PWM) CIRCUIT NO FREQUENCY
- DTC P1574 - EBTCM SYSTEM STOP LIGHT SWITCH CIRCUIT VOLTAGE HIGH
- DTC P1575 - EXTENDED TRAVEL BRAKE SWITCH CIRCUIT VOLTAGE HIGH
- DTC P1579 - PARK/NEUTRAL-TO-DRIVE/REVERSE AT HIGH THROTTLE ANGLE
- DTC P1599 - ENGINE STALL OR NEAR STALL DETECTED
- DTC P1602 - LOSS OF EBTCM SERIAL DATA
- DTC P1603 - LOSS OF SENSING DIAGNOSTIC MODULE SERIAL DATA
- DTC P1604 - LOSS OF INSTRUMENT PANEL CLUSTER SERIAL DATA
- DTC P1605 - LOSS OF HVAC SERIAL DATA
- DTC P1633 - IGNITION SUPPLEMENT POWER CIRCUIT VOLTAGE LOW
- DTC P1634 - IGNITION 1 POWER CIRCUIT VOLTAGE LOW
- DTC P1637 - GENERATOR "L" TERMINAL CIRCUIT
- DTC P1638 - GENERATOR "F" TERMINAL CIRCUIT
- DTC P1640 - DRIVER 1 - INPUT VOLTAGE HIGH
- DTC P1642 - VEHICLE SPEED OUTPUT CIRCUIT
- DTC P1644 - DELIVERED TORQUE OUTPUT CIRCUIT
- DTC P1645 - EVAP PURGE SOLENOID OUTPUT CIRCUIT
- DTC P1650 - DRIVER 2 - INPUT VOLTAGE HIGH
- DTC P1654 - CRUISE DISABLE OUTPUT CIRCUIT
- Engine Controls - System/component Tests 4.0L: Overview
- Engine Controls - System/component Tests 4.0L: Diagnosis
- Engine Controls - System/component Tests 4.0L: Maintenance
- Engine Controls - System/component Tests 4.0L: Other
- A/c Compressor
- Abbreviations
- Accessory Drive Belts
- Adjustments
- Airbag
- Anti-Lock/traction Control
- Application
- Automatic HVAC System
- Automatic Trans
- Axle Shafts
- Basic Trouble Shooting
- Brakes
- Charging System
- Check Lists
- Communication Devices
- Computer Relearn
- Cooling Fan
- Cooling System (Mechanical)
- Cruise Control Systems
- Diagnostic Connector Locations
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- DTC Index
- Electrical Component Locations
- Electronic Steering
- Electronic Suspension
- Emission Applications
- Engine
- Engine Performance
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- General Servicing - All Makes
- Headlights
- Heated Glass/defoggers
- Identification
- Manual & Power Steering
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Mirrors
- Mode 6
- Passive Restraints
- Procedures
- Removal & Installation
- Reset Procedures
- Restraints
- Rpo Codes
- Seats
- Sensor Range Charts
- Specifications
- Starter
- Steering
- Steering Column
- Steering Column Switches
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Theory & Operation
- Traction Control Disable
- Transmission
- Wheel Alignment
- Windows
- Wiper/washer Systems
- Wiring Diagrams - Engine Performance