Chrysler Town, Dodge Caravan. Manual — part 922
Symptom:
OVERHEAD RIGHT SWITCH INPUT STUCK
When Monitored and Set Condition:
OVERHEAD RIGHT SWITCH INPUT STUCK
When Monitored:
Continuously when the BCM is awake.
Set Condition:
When the BCM senses an active switch input for over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
OVERHEAD RIGHT SWITCH SHORTED
SLIDING DOORS OVERHEAD SWITCH MUX WIRE SHORT TO GROUND
BODY CONTROL MODULE - SLIDING DOORS OVERHEAD SWITCH CIRCUIT SHORTED
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, record and erase DTC’s.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the right power sliding door from the Overhead Console Switch.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display OVERHEAD RIGHT SWITCH INPUT STUCK?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2
Disconnect the Overhead Console Switch connector.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Wait 10 seconds.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display OVERHEAD RIGHT SWITCH INPUT STUCK?
All
No
→ Replace the Power Sliding Door Button Module.
Perform BODY VERIFICATION TEST - VER 1.
Yes
→ Go To 3
3
Disconnect the Body Control Module C3 connector.
Disconnect the Overhead Console Switch connector.
Measure the resistance of the Sliding Doors Overhead Switch Mux circuit to ground.
Is the resistance below 2000.0 ohms?
All
Yes
→ Repair the Sliding Doors Overhead Switch Mux wire for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
924
POWER DOORS - SLIDING
Symptom:
OVERHEAD RIGHT/LEFT SWITCHES SHORT
When Monitored and Set Condition:
OVERHEAD RIGHT/LEFT SWITCHES SHORT
When Monitored:
Continuously when the BCM is awake.
Set Condition:
When the BCM senses less than 1.0 volts on the Sliding Doors Overhead
Switch Mux circuit for over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
OVERHEAD SWITCH SHORTED
SLIDING DOORS OVERHEAD SWITCH MUX WIRE SHORT TO GROUND
BODY CONTROL MODULE - SLIDING DOORS OVERHEAD SWITCH INPUT SHORTED
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, record and erase DTC’s.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the power sliding door from the Overhead Console Switch.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display OVERHEAD RIGHT/LEFT SWITCHES SHORT?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2
Disconnect the Overhead Console Switch connector.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Wait 10 seconds.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display OVERHEAD SWITCH #2 INPUT SHORT?
All
No
→ Replace the Power Sliding Door Button Module.
Perform BODY VERIFICATION TEST - VER 1.
Yes
→ Go To 3
3
Disconnect the Body Control Module C3 connector.
Disconnect the Overhead Console Switch connector.
Measure the resistance of the Sliding Doors Overhead Switch Mux circuit to ground.
Is the resistance below 100.0 ohms?
All
Yes
→ Repair the Sliding Doors Overhead Switch Mux wire for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
925
POWER DOORS - SLIDING
Symptom:
RIGHT B-PILLAR SWITCH INPUT OPEN OR SHORT TO VOLTAGE
When Monitored and Set Condition:
RIGHT B-PILLAR SWITCH INPUT OPEN OR SHORT TO VOLTAGE
When Monitored:
Continuously when the BCM is awake.
Set Condition:
When the BCM senses an input greater than 4.8 volts for over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
RIGHT SLIDING DOOR PILLAR SWITCH MUX CIRCUIT SHORT TO VOLTAGE
GROUND CIRCUIT OPEN
RIGHT SLIDING DOOR PILLAR SWITCH MUX WIRE OPEN
RIGHT B-PILLAR SWITCH OPEN
BODY CONTROL MODULE - RIGHT SLIDING DOOR PILLAR SWITCH OPEN
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, record and erase DTC’s.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the right power sliding door from the Right B-Pillar Switch.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display RIGHT B-PILLAR SWITCH INPUT OPEN?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2
Disconnect the Body Control Module C3 connector.
Measure the voltage between Right Sliding Door Pillar Switch Mux circuit and
ground.
Is there any voltage present?
All
Yes
→ Repair the Right Sliding Door Pillar Switch Mux circuit for a
short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Disconnect the B-Pillar Switch connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit in the
B-Pillar Switch connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 4
No
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
926
POWER DOORS - SLIDING
TEST
ACTION
APPLICABILITY
4
Disconnect the Body Control Module C3 connector.
Disconnect the Right B-Pillar Switch connector.
Measure the resistance of the Right Sliding Door Pillar Switch Mux circuit between
the BCM C3 connector and the Right B-Pillar Switch connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 5
No
→ Repair the Right Sliding Door Pillar Switch Mux wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5
Disconnect the Body Control Module C3 connector.
Measure the resistance between Right Sliding Door Pillar Switch Mux circuit and
ground.
Is the resistance below 20500.0 ohms?
All
Yes
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
If there are no possible causes remaining, view repair.
All
Repair
Replace the B-Pillar Switch.
Perform BODY VERIFICATION TEST - VER 1.
927
POWER DOORS - SLIDING
RIGHT B-PILLAR SWITCH INPUT OPEN OR SHORT TO VOLTAGE —
Continued
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