Dodge ZB 2005 Service Manual page 1272

Symptom:
P1389-NO ASD RELAY OUTPUT VOLTAGE AT PCM
When Monitored and Set Condition:
P1389-NO ASD RELAY OUTPUT VOLTAGE AT PCM
When Monitored: With ignition key on, battery voltage above 10.4 volts, and engine RPM
greater than 400.
Set Condition: No voltage sensed at the PCM when the ASD Relay is energized.
GOOD TRIP EQUAL TO ZERO
ASD RELAY
(A14) FUSED B+ CIRCUITS
(A342) ASD RELAY OUTPUT CIRCUIT OPEN
(A342) ASD OUTPUT CIRCUIT OPEN
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION Symptom (Diagnos-
No
2 Attempt to start the engine.
Did the engine start?
Yes → Go To 3
→ Go To 4
No
3 Turn the ignition off.
Remove the ASD Relay from the PDC.
Disconnect the PCM harness connectors.
Measure the resistance of the (A342) ASD Relay Output circuit from the ASD Relay
cavity in the PDC to the PCM harness connector.
Is the resistance below 5.0 ohms?
Yes → Go To 7
→ Repair the open in the (A342) ASD Relay Output circuit.
No
POSSIBLE CAUSES
ACTION
tic Procedure).
Perform POWERTRAIN VERIFICATION TEST VER - 2.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
DRIVEABILITY - GAS
151
APPLICABILITY
All
All
All