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 MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1233 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1325CIRCUIT/SYSTEM TESTING
2006 Pontiac G6 GTP, 2D Coupe, Standard
Circuit/System Testing
2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2010 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
- Engine running, accessories OFF, measure and record the battery voltage at the battery terminals. The voltage should be between 12.6 and 15.0 volts.
- If not within the specified range, refer to Charging System Test .
- Ignition OFF, disconnect the harness connectors at the appropriate module.
- Ignition OFF and scan tool disconnected, open and close the driver door, and wait 1 minute. Test for less than 5 ohms between the following ground circuit terminals and ground:
- Terminal 4 (TDM)
- Terminal 6 (IPC)
- Terminal 31 (SDM)
- Terminal 8 X1 (Radio)
- Terminal D X1 (PPS)
- Terminal 12 X1 (BCM)
- Terminal 13 X2 (BCM)
- Terminal E12 X4 (BCM)
- Terminal 9 X1 (BCM w/LAT/LE5/LY7)
- If greater than the specified range, test the ground circuit for an open/high resistance.
- Verify that a test lamp illuminates between the following B+ circuit terminals and ground:
- Terminal 1 (SDM)
- Terminal 2 (TDM)
- Terminal 14 (IPC)
- Terminal 1 X1 (Radio)
- Terminal D12 X3 (BCM)
- If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
- If the DTC is set in the PPS, verify that a test lamp illuminates between the ignition circuit terminal A X1 and ground.
- If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance.
- If all circuits test normal, replace the appropriate module.
WARNING:
Refer to SIR Warning
, if DTC B1325 is set in the SDM.
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.