Chrysler Voyager. Manual — part 356
Symptom:
OVERHEAD LIFTGATE SWITCH INPUT STUCK
When Monitored and Set Condition:
OVERHEAD LIFTGATE SWITCH INPUT STUCK
When Monitored:
Whenever the BCM is awake.
Set Condition:
When the BCM senses a overhead liftgate switch input for over 10
seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
OVERHEAD LIFTGATE SWITCH SHORTED
LIFTGATE SWITCH MUX WIRE SHORT TO GROUND
BODY CONTROL MODULE - OVERHEAD LIFTGATE SWITCH MUX 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 Liftgate from the Overhead Console Switch.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display OVERHEAD LIFTGATE 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
With the DRBIII
t, erase DTCs.
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 LIFTGATE 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 C2 connector.
Disconnect the Overhead Console Switch connector.
Measure the resistance of the Liftgate Switch Mux circuit to ground.
Is the resistance below 4000.0 ohms?
All
Yes
→ Repair the Liftgate 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.
851
POWER DOORS - LIFTGATE
Symptom:
OVERHEAD LIFTGATE/LOCKOUT SWITCHES OPEN OR SHT TO
VOLTAGE
When Monitored and Set Condition:
OVERHEAD LIFTGATE/LOCKOUT SWITCHES OPEN OR SHT TO VOLTAGE
When Monitored:
Whenever the BCM is awake.
Set Condition:
When the BCM senses a overhead liftgate switch input that is greater
than 4.8 volts for over 10 seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
SLIDING DOORS OVERHEAD SWITCH MUX CIRCUIT SHORT TO VOLTAGE
LIFTGATE SWITCH MUX WIRE OPEN
BODY CONTROL MODULE - OVERHEAD SWITCH OPEN
OVERHEAD SWITCH OPEN
LIFTGATE SWITCH MUX SHORT TO VOLTAGE
POWER SLIDING DOOR BUTTON MODULE - SHORT TO VOLTAGE
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 LIFTGATE/LOCKOUT SWITCHES OPEN
OR SHT TO VOLTAGE?
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.
NOTE: Check connectors - Clean/repair as necessary.
Measure the voltage of the Sliding Doors Overhead Switch Mux circuit to ground.
Is there any voltage present?
All
Yes
→ Repair the Sliding Doors Overhead Switch Mux circuit for a short
to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
852
POWER DOORS - LIFTGATE
TEST
ACTION
APPLICABILITY
3
Disconnect the Body Control Module C2 connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Turn the park lamps on.
Measure the voltage between ground and the Liftgate Switch Mux circuit.
Is there any voltage present?
All
Yes
→ Go To 4
No
→ Go To 5
4
Disconnect the Overhead Console connector.
Disconnect the Body Control Module C2 connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Turn the park lamps on.
Measure the voltage between Liftgate Switch Mux circuit and ground.
Is there any voltage present?
All
Yes
→ Repair the Liftgate Switch Mux circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Power Sliding Door Button Module.
Perform BODY VERIFICATION TEST - VER 1.
5
Disconnect the Body Control Module C2 connector.
Measure the resistance between ground and the Liftgate Switch Mux circuit.
Is the resistance below 25000.0 ohms?
All
Yes
→ Go To 6
No
→ Go To 7
6
If there are no possible causes remaining, view repair.
All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
7
Disconnect the Body Control Module C2 connector.
Disconnect the Overhead Console connector.
Measure the resistance of the Liftgate Switch Mux circuit between the BCM
connector and the Overhead Console connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Power Sliding Door Button Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Liftgate Switch Mux circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
853
POWER DOORS - LIFTGATE
OVERHEAD LIFTGATE/LOCKOUT SWITCHES OPEN OR SHT TO VOLT-
AGE —
Continued
Symptom:
OVERHEAD LIFTGATE/LOCKOUT SWITCHES SHORT
When Monitored and Set Condition:
OVERHEAD LIFTGATE/LOCKOUT SWITCHES SHORT
When Monitored:
Whenever the BCM is awake.
Set Condition:
When the BCM senses a overhead liftgate switch input that drops to below
0.24 volts for over 10 seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
OVERHEAD LIFTGATE SWITCH SHORTED
LIFTGATE SWITCH MUX WIRE SHORT TO GROUND
BODY CONTROL MODULE - OVERHEAD LIFTGATE SWITCH MUX 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 Liftgate from the Overhead Console Switch.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display OVERHEAD SWITCH #1 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
With the DRBIII
t, erase DTCs.
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 #1 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 C2 connector.
Disconnect the Overhead Console Switch connector.
Measure the resistance of the Liftgate Switch Mux circuit to ground.
Is the resistance below 500.0 ohms?
All
Yes
→ Repair the Liftgate 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.
854
POWER DOORS - LIFTGATE
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