Chrysler RG Voyager. Manual — part 238
Symptom:
DRIVER DOOR LOCK SWITCH INPUT OPEN OR SHORT TO VOLT-
AGE - BCM
When Monitored and Set Condition:
DRIVER DOOR LOCK SWITCH INPUT OPEN OR SHORT TO VOLTAGE - BCM
When Monitored:
At all times when battery power is supplied to the Body Control
Module.
Set Condition:
When the BCM senses voltage to the door lock switch above 4.6 volts for
over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
BODY CONTROL MODULE - DRIVER DOOR LOCK SWITCH VOLTAGE LOW
DOOR LOCK SWITCH GROUND OPEN
DOOR LOCK SWITCH MUX CIRCUIT OPEN
DOOR LOCK SWITCH OPEN
DOOR LOCK SWITCH MUX CIRCUIT SHORT TO VOLTAGE
BODY CONTROL MODULE - DOOR LOCK SWITCH MUX SHORT TO VOLTAGE
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, record and erase DTC’s.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIII
t, read DTC’s.
Remove the key and operate the door locks from the Driver Door Lock Switch while
monitoring the DRBIII
t.
Wait 10 seconds.
Does the DRBIII
t display DR DOOR LOCK SW INPUT OPEN OR SHORT TO
VOLTAGE?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
2
With the DRBIII
t in Sensors, read the DR DOOR LOCK SW voltage.
Does the DRBIII
t display 4.3 volts or greater?
All
Yes
→ Go To 3
No
→ Disconnect the BCM harness connector(s). Check connectors -
Clean/repair as necessary. If okay, replace the Body Control
Module.
Perform BODY VERIFICATION TEST - VER 1.
921
POWER DOOR LOCKS/RKE
TEST
ACTION
APPLICABILITY
3
Disconnect the Driver Door Lock Switch connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit in the
harness 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.
4
Disconnect the Driver Door Lock Switch connector.
Measure the voltage between Door Lock Switch Mux circuit and Ground in the
harness connector.
Select the voltage present.
All
Below 4.3 volts..
Repair the Door Lock Switch Mux circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
Between 4.4 volts and 5.2 volts.
Replace the Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
Above 5.3 volts.
5
Disconnect the Driver Door Lock Switch connector.
Disconnect the Body Control Module C3 connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Turn the park lamps on.
Measure the voltage between Door Lock Switch Mux circuit and ground.
Is there any voltage present?
All
Yes
→ Repair the Door Lock Switch Mux circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
922
POWER DOOR LOCKS/RKE
DRIVER DOOR LOCK SWITCH INPUT OPEN OR SHORT TO VOLTAGE -
BCM —
Continued
Symptom:
DRIVER DOOR LOCK SWITCH INPUT SHORT - BCM
When Monitored and Set Condition:
DRIVER DOOR LOCK SWITCH INPUT SHORT - BCM
When Monitored:
At all times when battery power is supplied to the Body Control
Module.
Set Condition:
When the BCM senses voltage to the door lock switch below .5 volts for
over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
DOOR LOCK SWITCH SHORTED
DOOR LOCK SWITCH MUX SHORT TO GROUND
BODY CONTROL MODULE - DOOR LOCK SWITCH VOLTAGE SHORTED
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, record and erase DTC’s.
With the DRBIII
t, read DTC’s.
Remove the key and operate the door locks several times from the Driver Door Lock
Switch while monitoring the DRBIII
t.
Wait 10 seconds.
Does the DRBIII
t display DR DOOR LOCK SW INPUT SHORT?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
2
Disconnect the Door Lock Switch connector.
With the DRBIII
t in Sensors, read the DR DOOR SW MUX circuit
Is the voltage above 4.6 volts?
All
Yes
→ Replace the Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Disconnect the Driver Door Lock Switch connector.
Disconnect the Body Control Module C3 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between Door Lock Switch Mux circuit and ground.
Is the resistance below 1000.0 ohms?
All
Yes
→ Repair the Door Lock Switch Mux circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
923
POWER DOOR LOCKS/RKE
TEST
ACTION
APPLICABILITY
4
If there are no possible causes remaining, view repair.
All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
924
POWER DOOR LOCKS/RKE
DRIVER DOOR LOCK SWITCH INPUT SHORT - BCM —
Continued
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