Neon L4-2.0L DOHC (1996)
Battery Temperature Sensor: Description and Operation
Battery Temperature Sensor Operation
Sensor External to the PCM
Name of Code:
Battery Temp Sensor (BTS) Voltage Either Too High or Too Low
When Monitored:
With the ignition key on.
Set Condition:
The PCM senses the voltage from the BTS to be either below 0.5 volts or above 4.9 volts for 3 seconds.
Theory of Operation:
The battery temp sensor voltage is used by the PCM to determine what the charging system goal should be. The PCM uses that goal to determine
the charging output level. The battery temp sensor is external to the PCM.
Possible Causes:
-
Battery temp sensor failure
-
Open circuit in battery temp sensor signal circuit
-
Short circuit in battery temp sensor signal circuit
-
PCM failure
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Connector terminals
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Connector wires