Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Battery Inspection/Test

Diagnostic Instructions
  • Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
  • Review Strategy Based Diagnosis for an overview of the diagnostic approach.
  • Diagnostic Procedure Instructions provides an overview of each diagnostic category.
Diagnostic Aids

Note:

For Warranty repairs —

You must use regionally required battery test equipment for warranty repairs.For accurate test results the battery must be disconnected from the vehicle and the equipment connected directly to the battery posts. When setting up the equipment, select “Out of Vehicle” and then the correct battery type (Flooded or AGM) and rated CCA (both from the battery label) must be entered.
  • Failure to obtain the correct connections during the test may result in a failed test on a good battery.
  • Use the Out of Vehicle test (both batteries disconnected with test equipment connected directly to the post) test for each battery when testing a vehicle with dual batteries.

Follow these instructions in order to avoid an incorrect diagnosis because of connections:

  • If testing the vehicle with the battery cables still connected, wiggle the battery tester clips on the terminal. This may cut through any coating or through any oxidation that may be present on the terminal.
  • If correct connections to the battery terminals in the vehicle are in doubt, perform the following steps:
  1. Disconnect the negative battery cable.
  2. Disconnect the positive battery cable.
  3. Follow the instructions for testing a removed battery.
  • If the tester displays a REPLACE BATTERY or BAD CELL-REPLACE result for a battery tested in the vehicle with the battery cables connected, perform the following steps:
    1. Disconnect the negative battery cable.
    2. Disconnect the positive battery cable.
    3. Note:

      Always write the test code displayed by the tester on the repair order for any warranty purposes. The number is a unique code that describes the test data for a particular battery at a particular time. The test code may occasionally repeat when you retest the same battery. More often, each test will result in a different code. Use the test code from the second, or Out of Vehicle test.

    4. Follow the instructions for testing a removed battery.
    5. Replace the battery only if the second test shows a REPLACE BATTERY or BAD CELL-REPLACE result.

      Use the test code from the second test for any warranty purposes.

    Reference Information
    Schematic Reference

    Starting and Charging Schematics

    Connector End View Reference

    Component Connector End Views

    Description and Operation

    Starting System Description and Operation

    Electrical Information Reference
    • Circuit Testing
    • Connector Repairs
    • Testing for Intermittent Conditions and Poor Connections
    • Wiring Repairs
    Scan Tool Reference

    Control Module References for scan tool information

    Special Tools

    EL 50313 Battery Tester

    Circuit/System Testing

    Warning:

    Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    For Vehicles equipped with OnStar® (UE1) with Back Up Battery:

    The Back Up Battery is a redundant power supply to allow limited OnStar® functionality in the event of a main vehicle battery power disruption to the VCIM (OnStar®module). Do not disconnect the main vehicle battery or remove the OnStar® fuse with the ignition key in any position other than OFF. Retained accessory power should be allowed to time out or be disabled (simply opening the driver door should disable retained accessory power) before disconnecting power. Disconnecting power to the OnStar® module in any way while the ignition is On or with retained accessory power activated may cause activation of the OnStar® Back-Up Battery system and will discharge and permanently damage the back-up battery. Once the Back-Up Battery is activated it will stay on until it has completely discharged. The back-up battery is not rechargeable and once activated the back-up battery must be replaced.

    1. Verify the C1 or C1B Battery case is not cracked, broken, or damaged, which may be indicated by battery acid leakage.
    • If there is any apparent damage

      Replace the C1 or C1B Battery.

    • If there is no damage
  • Verify the cold cranking amperage and amperage hour rating of the C1 or C1B Battery. Refer to the manufacturer specifications on the battery label.
    • If the C1 or C1B Battery does not meet specifications

      Replace the C1 or C1B Battery.

    • If the C1 or C1B Battery meets specifications
  • Verify that the battery cables are clean and tight. The battery terminal bolts should be torqued as specified in Fastener Tightening Specifications.
    • If the battery cables need to be cleaned or tightened

      Clean as required and tighten as specified.

    • If the battery cables are clean and tight
  • Install the battery tester and follow directions supplied by the tester.
  • Repair Instructions

    Perform the Diagnostic Repair Verification after completing the repair.

    Battery Replacement

    Battery Disconnect Warning
    Warning: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconne ...

    Battery Negative Cable Disconnection and Connection
    Battery Negative Cable Disconnection and Connection Callout Component Name Preliminary Procedures Turn on the radio and record all ...

    Other materials:

    Front Brake Shield Replacement
    Removal Procedure Warning: Refer to Brake Dust Warning. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation. Remove the front brake rotor. Refer to ...

    Front Fog Lamp Package Installation
    Installation Instructions Part Number 95950443 d2.50.5nm(220.5nmlbin) d2.5nm(22lbin)(220.5nmlbin) <aiiregionsexceptgmna,southamericaandaustraia>https://sporef.gm.com/weblogic/sporef/verifygplda ...

    Camshaft Position Actuator Solenoid Valve Replacement
    Camshaft Position Actuator Solenoid Valve Replacement Callout Component Name 1 Camshaft Position Actuator Solenoid Valve Bolt Caution: Refer to Fastener Caution. Tighten 6 Y (53 lb in ...

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