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.
Circuit/System Testing
2011 Chevrolet Malibu LTZ, 2.4 1SECTION Circuit/System Testing
- Ignition OFF, disconnect the harness connector at the telematic vehicle localization and immobilization control module.
- Test for less than 10 Ξ© between each ground circuit terminal and ground.
- If greater than the specified range, test the ground circuit for an open/high resistance.
- If equipped, ignition ON, verify that a test lamp illuminates between each B+ circuit terminal and ground.
- If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance. If the circuit fuse is open, test the control circuits of the telematic vehicle localization and immobilization control module for a short to ground. If the circuits test normal, replace the telematic vehicle localization and immobilization control module.
- If equipped, ignition ON, verify that a test lamp illuminates between each ignition circuit terminal and ground.
- If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance. If the circuit fuse is open, test the control circuits of the telematic vehicle localization and immobilization control module for a short to ground. If the circuits test normal, replace the telematic vehicle localization and immobilization control module.
- Test for infinite resistance between the data link connector (DLC) keyword 2000 serial data circuit terminal 7 and ground.
- If less than the specified range, test the serial data circuit for a short to ground.
- Test for less than 1 V between the DLC keyword 2000 serial data circuit terminal 7 and ground.
- If greater than the specified range, test the serial data circuit for a short to voltage.
- Test for less than 5 Ξ© in the keyword 2000 serial data circuit between the telematic vehicle localization and immobilization control module keyword 2000 serial data circuit terminal and the DLC terminal 7.
- If greater than the specified range, test the serial data circuit for an open/high resistance.
- If all circuits test normal, replace the telematic vehicle localization and immobilization control module.
NOTE:
Use the schematic to identify the control module B+, ignition, ground, and serial data circuit terminals.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.