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HOMESERVICE MANUALSSUZUKI2013SX4 CROSSOVER, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 11 (CHARGING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1517TEST DESCRIPTION
2013 Suzuki SX4 Crossover, Automatic CVT Trans

Test Description

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Test Description
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 3.  This step tests for the proper voltage at battery positive voltage sense circuits of the BCM. If voltages are not within the proper operating range, the voltage sense circuits needs to be tested.
  2. 4.  This step tests the ground sense circuit of the BCM.
  3. 5.  This step tests for the proper voltage of the battery sense circuits to the BCM. If voltage is not within the proper operating range, the battery positive voltage and ground circuits of the BCM need to be tested.
BCM TABLE

Step Action Value(s) Yes No
Schematic Reference:  STARTING AND CHARGING SCHEMATICS   or  WIRING SYSTEMS  and  BODY CONTROL SYSTEM SCHEMATICS 
Connector End View Reference:  MASTER ELECTRICAL COMPONENT LIST 
1 Did you perform the DIAGNOSTIC SYSTEM CHECK - VEHICLE ? - Go to Step 2 Go to DIAGNOSTIC SYSTEM CHECK - VEHICLE DIAGNOSTIC INFORMATION
2
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the Battery Voltage parameters in the body control module (BCM) data list.

Do any of the voltages differ more than the specified value?		 2 V Go to Step 5 Go to Step 3
3
  1. Turn OFF the ignition.
  2. Disconnect the BCM harness connectors.
  3. Turn ON the ignition, with the engine OFF.
  4. Measure the voltage between the battery positive voltage circuits of the BCM and the ground circuits of the BCM.

Do the voltages differ more than the specified value?		 2 V Go to Step 9 Go to Step 4
4 Measure the voltage from the battery positive voltage circuits of the BCM and a good ground.
Do the voltages differ more than the specified value?		 2 V Go to Step 8 Go to Step 7
5
  1. Turn ON the ignition.
  2. Measure the voltage between the battery positive voltage circuits of the BCM and the ground circuits of the BCM.

Does the voltage measure within the specified range?		 10.5-15.5 V Go to Step 9 Go to Step 6
6 Measure the voltage between the battery positive voltage circuits of BCM and a good ground.
Does the voltage measure within the specified range?		 10.5-15.5 V Go to Step 8 Go to Step 7
7 Test the battery positive voltage circuits of BCM for a high resistance or an open. Refer to CIRCUIT TESTING and WIRING REPAIRS .
Did you find and correct the condition?		 - Go to Step 11 Go to Step 9
8 Test the ground circuits of the BCM for a high resistance or an open. Refer to CIRCUIT TESTING and WIRING REPAIRS . Did you find and correct the condition? - Go to Step 11 Go to Step 9
9 Inspect for poor connections at the harness connector of the BCM. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS and CONNECTOR REPAIRS .
Did you find and correct the condition?		 - Go to Step 11 Go to Step 10
10 Replace the module BCM. Refer to CONTROL MODULE REFERENCES for replacement, setup, and programming.
Did you complete the replacement?		 - Go to Step 11 -
11
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.

Does the DTC reset?		 - Go to Step 2 System OK
RENDER: 1.0x

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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.