Symptom:
EXHAUST RELAY OPEN/SHORT TO GROUND (EXPORT ONLY)
When Monitored and Set Condition:
EXHAUST RELAY OPEN/SHORT TO GROUND (EXPORT ONLY)
When Monitored: With the Ignition On.
Set Condition: This DTC will set if the BCM detects a lack of voltage on the Exhaust
Relay Control circuit.
POSSIBLE CAUSES
DTC PRESENT
EXHAUST RELAY CONTROL CIRCUIT SHORT TO GROUND
FAULTY EXHAUST RELAY
OPEN B(+) CIRCUIT
OPEN EXHAUST RELAY CONTROL CIRCUIT
OPEN EXPORT ACCESSORY FUSE
OPEN FUSED B(+) CIRCUIT
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC’s.
With the DRBIIIt, read DTC’s.
Attempt to operate the Exhaust Relay while monitoring the DRBIIIt.
Does the DRBIIIt display EXHAUST RELAY OPEN/SHORT TO GROUND?
All
Yes → Go To 2
No → The condition that caused this DTC to set iscurrently not present.
Using the wiring diagram/schematic as a guide, inspect the
related wiring harness and connectors for a possible intermittent
condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition OFF.
Remove the Export Accessory Fuse holder from the fuse cover.
Inspect the Export Accessory Fuse.
Is the Export Accessory Fuse blown?
All
Yes → Replace the Export Accessory Fuse. Inspect the circuit for a
possible failure that would cause a blown fuse.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
258
IGNITION, POWER, ACCESSORY