Chrysler PT Cruiser 2001 Service Manual Supplement page 2648

DRIVEABILITY - GAS
Symptom:
P1496-5 VOLT SUPPLY, OUTPUT TOO LOW
When Monitored and Set Condition:
P1496-5 VOLT SUPPLY, OUTPUT TOO LOW
When Monitored: With the ignition on.
Set Condition: The 5-volt supply to the sensors is below 3.5 volts for 4 seconds.
5 VOLT SUPPLY SHORTED TO GROUND
MAP SENSOR
TPS
WIRING HARNESS INTERMITTENT PROBLEM
PCM
TEST
1 Turn the ignition on.
With the DRB, read the DTC's.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
→ Go To 7
No
2 Turn the ignition off.
Disconnect the Throttle Position Sensor harness connector.
Turn the ignition on.
Measure the voltage of the 5 Volt Supply circuit at the Throttle Positon Sensor
harness connector.
Is the voltage below 4.5 Volts?
Yes → Go To 3
→ Go To 6
No
POSSIBLE CAUSES
ACTION
188
APPLICABILITY
All
All