Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2001MONTE CARLO V6-3.4L VIN EREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION RELAYTESTING AND INSPECTION
2001 Chevrolet Monte Carlo V6-3.4L VIN E
Ignition Relay: Testing and Inspection
2001 Chevrolet Monte Carlo V6-3.4L VIN ESECTION Testing and Inspection
CIRCUIT DESCRIPTION
The ignition relay supplies voltage to the following components:
^ Oxygen sensors.
^ Powertrain Control Module (PCM)
^ Ignition Control (IC) module
^ A/C CLU relay
DIAGNOSTIC AIDS
If the IGN relay fails to close:
^ Scan data will be available.
^ Vehicle will crank, no start.
^ Dash indicator lights will illuminate.
TEST DESCRIPTION
The numbers below refer to the step numbers on the diagnostic table.
4. This step is testing the relay ground circuit.
5. This step isolates the circuit from the IGN relay. All of the circuits at the relay are good if the test lamp illuminates.
The ignition relay supplies voltage to the following components:
^ Oxygen sensors.
^ Powertrain Control Module (PCM)
^ Ignition Control (IC) module
^ A/C CLU relay
DIAGNOSTIC AIDS
If the IGN relay fails to close:
^ Scan data will be available.
^ Vehicle will crank, no start.
^ Dash indicator lights will illuminate.
TEST DESCRIPTION
Steps 1-5:
Steps 6-11:
The numbers below refer to the step numbers on the diagnostic table.
4. This step is testing the relay ground circuit.
5. This step isolates the circuit from the IGN relay. All of the circuits at the relay are good if the test lamp illuminates.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.