Chrysler Sebring 2004 Service Manual page 2083

DRIVEABILITY - GAS
Symptom:
P0505-IDLE AIR CONTROL MOTOR CIRCUITS
When Monitored and Set Condition:
P0505-IDLE AIR CONTROL MOTOR CIRCUITS
When Monitored: Engine running. Battery voltage greater than 10 volts. IAC motor
operating.
Set Condition: The PCM senses a short to ground or battery voltage on any of the four
Idle Air Control (IAC) driver circuits for 0.050 seconds while the IAC motor is active.
GOOD TRIP EQUAL TO ZERO
IAC #1 DRIVER CIRCUIT SHORTED TO #2, #3, OR #4
IAC #2 DRIVER CIRCUIT SHORTED TO #3 OR #4
IAC #3 DRIVER CIRCUIT SHORTED TO #4
IAC DRIVER CIRCUIT SHORTED TO VOLTAGE
IAC DRIVER CIRCUIT SHORTED TO GROUND
IAC MOTOR OPERATION
PCM
TEST
1 Turn the ignition on.
With the DRBIII , read DTC's.
Is the Good Trip displayed and equal to zero?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION symptom in the
No
2 Turn the ignition off.
Disconnect the IAC Motor harness connector.
Disconnect the Powertrain Control Module harness connectors.
Note: The following steps are checking for a short between the IAC Driver
Circuits.
Measure the resistance between the IAC #1 Driver circuit and #2, #3, #4 Driver
circuits.
Is the resistance below 5.0 ohms between any of the Drivers?
Yes → Repair the IAC Driver Circuits shorted together.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
154
APPLICABILITY
All
All