Dodge Viper SRT-10 (ZB). Manual — part 336
TEST
ACTION
APPLICABILITY
4
With the DRBIII
t, read PCM DTCs.
Are any HVAC related DTCs present?
All
Yes
→ Refer to the Powertrain Diagnostic Procedures Manual for the
related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No
→ Recheck the climate control system performance. Refer to Service
Information for additional information.
Perform BODY VERIFICATION TEST - VER 1.
237
HEATING & A/C
*HVAC SYSTEM TEST —
Continued
Symptom:
BCM - ACCESSORY RELAY CONTROL CIRCUIT OPEN
When Monitored and Set Condition:
BCM - ACCESSORY RELAY CONTROL CIRCUIT OPEN
When Monitored:
When the ignition is in the Accessory or Run position.
Set Condition:
The Body Control Module supplies the ignition output to the accessory
relay. If the accessory relay current draw is less than 0.1 amp when the ignition switch is
in the accessory or run position within 125 ms, this code will set.
POSSIBLE CAUSES
DTC PRESENT
ACCESSORY RELAY COIL OPEN
ACCESSORY RELAY CONTROL CIRCUIT OPEN
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, erase DTCs.
Cycle the ignition switch from OFF to ON.
Turn the radio on.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display ACCESSORY RELAY CONTROL CIRCUIT OPEN?
All
Yes
→ Go To 2
No
→ The condition that caused this code to set is not present at this
time. Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
2
Remove the accessory relay from the PDC.
Install a substitute relay in place of the Accessory Relay.
With the DRBIII
t, erase DTCs.
Cycle the ignition switch from OFF to ON.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display ACCESSORY RELAY CONTROL CIRCUIT OPEN?
All
Yes
→ Go To 3
No
→ Replace the accessory relay.
Perform BODY VERIFICATION TEST - VER 1.
238
IGNITION, POWER, ACCESSORY
TEST
ACTION
APPLICABILITY
3
Turn the Ignition off.
Remove the Accessory Relay from the PDC.
Disconnect the Body Control Module C4 connector.
Measure the resistance of the Accessory Relay Control circuit between the BCM C4
connector and the Relay connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the Accessory Relay Control circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
4
If there are no possible causes remaining, view repair.
All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
239
IGNITION, POWER, ACCESSORY
BCM - ACCESSORY RELAY CONTROL CIRCUIT OPEN —
Continued
Symptom:
BCM - ACCESSORY RELAY CONTROL CIRCUIT SHORT TO
GROUND
When Monitored and Set Condition:
BCM - ACCESSORY RELAY CONTROL CIRCUIT SHORT TO GROUND
When Monitored:
When the ignition is in the Accessory or Run position.
Set Condition:
The Body Control Module supplies the ignition output to the radio and the
accessory relay. If the radio or accessory relay current draw is beyond the prescribed
current limit for over 125 ms, this code will set.
POSSIBLE CAUSES
DTC PRESENT
ACCESSORY RELAY COIL
RADIO
ACCESSORY RELAY CONTROL CIRCUIT SHORT TO GROUND.
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, erase DTCs.
Cycle the ignition switch from OFF to ON.
Turn the radio on.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display ACCESSORY RELAY CONTROL CIRCUIT SHORT TO
GROUND?
All
Yes
→ Go To 2
No
→ The condition that caused this code to set is not present at this
time. Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
2
Remove the accessory relay from the PDC.
With the DRBIII
t, erase DTCs.
Cycle the ignition switch from OFF to ON.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display ACCESSORY RELAY CONTROL CIRCUIT SHORT TO
GROUND?
All
Yes
→ Go To 3
No
→ Replace the accessory relay.
Perform BODY VERIFICATION TEST - VER 1.
240
IGNITION, POWER, ACCESSORY
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