Table of Contents
Advertisement
Symptom List:
P0380-GLOW PLUG 1 CONTROL CIRCUIT - OPEN CIRCUIT
P0380-GLOW PLUG 1 CONTROL CIRCUIT - SHORT CIRCUIT
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0380-GLOW PLUG 1 CONTROL
CIRCUIT - OPEN CIRCUIT.
When Monitored and Set Condition:
P0380-GLOW PLUG 1 CONTROL CIRCUIT - OPEN CIRCUIT
When Monitored: With the ignition on.
Set Condition: The ECM does not detect voltage on the Glow Plug Relay 1 Control circuit.
P0380-GLOW PLUG 1 CONTROL CIRCUIT - SHORT CIRCUIT
When Monitored: With the ignition off.
Set Condition: The ECM detects excessive current on the Glow Plug Relay 1 Control
circuit.
INTERMITTENT CONDITION
ASD RELAY OUTPUT CIRCUIT OPEN
SUBSTITUTE GLOW PLUG RELAY 1
GLOW PLUG RELAY 1 CONTROL CIRCUIT SHORTED TO VOLTAGE
GLOW PLUG RELAY 1 CONTROL CIRCUIT SHORTED TO GROUND
GLOW PLUG RELAY 1 CONTROL CIRCUIT OPEN
ENGINE CONTROL MODULE
TEST
1
Turn the ignition on.
With the DRB, actuate Glow Plug Relay 1.
Is Glow Plug Relay 1 clicking?
Yes → Go To 2
→ Go To 3
No
POSSIBLE CAUSES
ACTION
81
DRIVEABILITY - DIESEL
APPLICABILITY
All
Advertisement
Table of Contents
