Circuit Description
The battery current sensor PWM input signal is monitored by the instrument panel module (IPM).
DTC Descriptor
This diagnostic procedure supports the following DTC: DTC B1516 Battery Current Sensor Performance
Conditions for Running the DTC
| • | The ignition is in the ON position. |
| • | The engine is running. |
Conditions for Setting the DTC
B1516 08 : Signal Invalid
This DTC will be set as current when the duty cycle of the PWM input signal is less than 4 percent or more than 96 percent for more than 33 seconds.
Action Taken When the DTC Sets
The SERVICE VEHICLE SOON warning message will be set in the drivers information center (DIC).
Conditions for Clearing the MIL/DTC
The DTC clears as a current status when the battery sensed current returns to normal range for more than 5 seconds.
Step | Action | Values | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Diagnostic System Check-Vehicle? | -- | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Does the scan tool indicate that the parameter is within the specified range? | <4 percent to >96 percent | Go to Step 3 | Go to Charging System Test |
3 | Inspect for poor connections at the harness connector of the battery current sensor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 5 | Go to Step 4 | |
4 | Replace the battery current sensor. Did you complete the replacement? | -- | Go to Step 5 | -- |
5 |
Does the DTC reset? | -- | Go to Step 2 | System OK |
