Chrysler Voyager. Manual — part 291
Symptom:
ACCESSORY POWER OUTPUT 1 SHORT TO B+
When Monitored and Set Condition:
ACCESSORY POWER OUTPUT #1 SHORT TO B+
When Monitored:
Continuously with the ignition on.
Set Condition:
The FCM has detected a short to battery voltage in the Accessory Relay
control circuit.
POSSIBLE CAUSES
FRONT CONTROL MODULE
FUSE & RELAY CENTER INTERNAL MALFUNCTION
ACCESSORY RELAY
FRONT CONTROL MODULE
INTERMITTENT CONDITION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, erase the current Front Control Module DTC’s.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIII
t, read the current Front Control Module DTC’s.
Does the DRBIII
t display both ACCESSORY POWER OUTPUT SHORTED TO
BATTERY trouble codes?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition off.
Disconnect the Accessory Relay from the Fuse & Relay Center.
Connect a known good relay to the Accessory Relay location in the Fuse & Relay
Center.
Turn the ignition on.
With the DRBIII
t, erase the current Front Control Module DTC’s.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIII
t, read the current Front Control Module DTC’s.
Does the DRBIII
t display both ACCESSORY POWER OUTPUT SHORTED TO
BATTERY trouble codes?
All
Yes
→ Replace the Fuse and Relay Center.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the original Accessory Relay.
Perform BODY VERIFICATION TEST - VER 1.
591
IGNITION, POWER, ACCESSORY
TEST
ACTION
APPLICABILITY
3
Turn the ignition on.
With the DRBIII
t, read the current Front Control Module DTC’s.
Does the DRBIII
t display the ACCESSORY POWER OUTPUT #1 SHORTED TO
BATTERY trouble code?
All
Yes
→ Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition on.
With the DRBIII
t, read the current Front Control Module DTC’s.
Does the DRBIII
t display the ACCESSORY POWER OUTPUT #2 OPEN trouble
code?
All
Yes
→ Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ This symptom represents an internal malfunction in the Front
Control Module. The condition that caused this symptom is
currently not present.
Perform BODY VERIFICATION TEST - VER 1.
592
IGNITION, POWER, ACCESSORY
ACCESSORY POWER OUTPUT 1 SHORT TO B+ —
Continued
Symptom:
ACCESSORY POWER OUTPUT 2 OPEN
When Monitored and Set Condition:
ACCESSORY POWER OUTPUT 2 OPEN
When Monitored:
Continuously with the ignition on.
Set Condition:
The FCM has detected an open in the Accessory Relay control circuit.
POSSIBLE CAUSES
FRONT CONTROL MODULE
FUSE & RELAY CENTER INTERNAL MALFUNCTION
ACCESSORY RELAY
FCM
INTERMITTENT CONDITION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, erase the current Front Control Module DTC’s.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIII
t, read the current Front Control Module DTC’s.
Does the DRBIII
t display both ACCESSORY POWER OUTPUT OPEN trouble
codes?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition off.
Disconnect the Accessory Relay from the Fuse & Relay Center.
Connect a known good relay to the Accessory Relay location in the Fuse & Relay
Center.
Turn the ignition on.
With the DRBIII
t, erase the current Front Control Module DTC’s.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIII
t, read the current Front Control Module DTC’s.
Does the DRBIII
t display both ACCESSORY POWER OUTPUT OPEN trouble
codes?
All
Yes
→ Replace the Fuse and Relay Center.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Accessory Relay.
Perform BODY VERIFICATION TEST - VER 1.
593
IGNITION, POWER, ACCESSORY
TEST
ACTION
APPLICABILITY
3
Turn the ignition on.
With the DRBIII
t, read the current Front Control Module DTC’s.
Does the DRBIII
t display the ACCESSORY POWER OUTPUT #1 OPEN trouble
code?
All
Yes
→ Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition on.
With the DRBIII
t, read the current Front Control Module DTC’s.
Does the DRBIII
t display the ACCESSORY POWER OUTPUT #2 OPEN trouble
code?
All
Yes
→ Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ This symptom represents an internal malfunction in the Front
Control Module. The condition that caused this symptom is
currently not present.
Perform BODY VERIFICATION TEST - VER 1.
594
IGNITION, POWER, ACCESSORY
ACCESSORY POWER OUTPUT 2 OPEN —
Continued
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