The acceleration sensor is used to sense rough road conditions.The sensor’s signal is used by the Engine Control Module(ECM) to prevent wrongful misfire detection.
ECM sets a DTC P1308 when signal output is lower than predetermined value..
Item
Detecting Condition
Possible cause
Monitoring Strategy
? Signal check, Low
? Short to ground in signal circuit(pin 60 to 17)
? Open in power circuit (pin 32)
? Faulty Acceleration sensor
? Faulty ECM
Threshold value
? Voltage : < 1.5V
Enable Conditions
Diagnostic Time
? Continuous
Fail Safe
? None
ACCEL Sensor
Normal Parameter
While Idle
IG OFF
Voltage
2.3 ~ 2.7V
0V