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Power Window System - Electrical Diagnostics: Other Dodge Nitro I

Windows 48 illustrations ~6002 words

Monitor Conditions

  1. When Monitored: Whenever the module is awake, the park lamps are on and the window lock out switch is on.

Set Conditions

  1. Set Condition: When the Passenger Window Express Switch Illumination Driver circuit falls below 3.0 volts for over 25 ms. and the above conditions are met, this code will set.

Possible Causes

Possible Causes
(E34) PASSENGER WINDOW EXPRESS SWITCH ILLUMINATION DRIVER CIRCUIT SHORT TO GROUND
(E34) PASSENGER WINDOW EXPRESS SWITCH ILLUMINATION DRIVER CIRCUIT SHORT TO (Q936) PASSENGER WINDOW EXPRESS SWITCH RETURN
WINDOW/DOOR LOCK SWITCH SHORTED
PASSENGER DOOR MODULE (PDM)

Scheme 4

Scheme 4: Diagnostic Test
Scheme 4: Diagnostic Test

Scheme 5

Scheme 5
Scheme 5

Scheme 6

Scheme 6
Scheme 6
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC's Ensure the passenger window lock out switch is on. Turn the park lights on. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B16A4-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT LOW? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW/DOOR LOCK SWITCH SHORTED With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Passenger Window/Door Lock Switch connector. Ensure the passenger window lock out switch is on and the park lamps are still on. Turn the ignition on. With the scan tool, read DTC's. Does the scan tool display B16A4-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT LOW? No Replace the Window/Door Lock Switch. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 3 .
  3. (E34) PASSENGER WINDOW EXPRESS SWITCH ILLUMINATION DRIVER CIRCUIT SHORT TO GROUND Turn the ignition off. Turn the park lamps off. Disconnect the Passenger Door Module C5 connector. Measure the resistance between Ground and the (E34) Passenger Window Express Switch Illumination Driver circuit. Is the resistance below 10000.0 ohms? Yes Repair the (E34) Passenger Window Express Switch Illumination Driver circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 4 .
  4. (E34) PASSENGER WINDOW EXPRESS SWITCH ILLUMINATION DRIVER CIRCUIT SHORT TO (Q936) PASSENGER WINDOW EXPRESS SWITCH RETURN Measure the resistance between the (E34) Passenger Window Express Switch Illumination Driver circuit and the (Q936) Passenger Window Express Switch Return circuit. Is the resistance below 10000.0 ohms? Yes Repair the (E34) Passenger Window Express Switch Illumination Driver circuit for a short to the (Q936) Passenger Window Express Switch Return circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Passenger Door Module. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  1. When Monitored: Whenever the power is turned off to the module and it goes from awake to sleep mode.
  1. Set Condition: When the Passenger Window Express Switch Illumination Driver circuit is above 2.5 volts for over 15 ms. and the switch illumination output is turned off.
Possible Causes
(E34) PASSENGER WINDOW EXPRESS SWITCH ILLUMINATION DRIVER CIRCUIT SHORT TO VOLTAGE
WINDOW/DOOR LOCK SWITCH SHORTED
PASSENGER DOOR MODULE (PDM)

Scheme 7

Scheme 7
Scheme 7
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC's Ensure the passenger window lock out switch is off. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B16A5-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT HIGH? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW/DOOR LOCK SWITCH SHORTED With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Passenger Window/Door Lock Switch connector. Turn the ignition on. Operate the passenger window lock out switch several times. With the scan tool, read DTC's. Does the scan tool display B16A5-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT HIGH? No Replace the Window/Door Lock Switch. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 3 .
  3. (E34) PASSENGER WINDOW EXPRESS SWITCH ILLUMINATION DRIVER CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Passenger Door Module C5 connector. Turn the ignition on. Measure the voltage between the (E34) Passenger Window Express Switch Illumination Driver circuit and Ground. Is there any voltage present? Yes Repair the (E34) Passenger Window Express Switch Illumination Driver circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Passenger Door Module. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .

Scheme 8

Scheme 8: Circuit Schematic
Scheme 8: Circuit Schematic
  1. When Monitored: Whenever the module is awake.
  1. Set Condition: When both Driver Window Driver circuits (Up and Down) are grounded during a window movement command, this code will set.
Possible Causes
(Q321) (LHD) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND
(Q322) (RHD) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND
(Q311) (LHD) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND
(Q312) (RHD) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND
(Q321) (LHD) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO THE (Q311) (LHD) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT
(Q322) (RHD) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO THE (Q312) (RHD) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT
WINDOW MOTOR SHORTED
DRIVER DOOR MODULE (DDM)

Scheme 9

Scheme 9: Diagnostic Test
Scheme 9: Diagnostic Test

Scheme 10

Scheme 10
Scheme 10

Scheme 11

Scheme 11
Scheme 11

Scheme 12

Scheme 12
Scheme 12
  1. TEST FOR INTERMITTENT CONDITION NOTE: This test shows text for a Left Hand Drive (LHD) vehicle. Right Hand Drive (RHD) vehicles use the same cavities. Refer to the schematic for different names and circuit numbers. Turn the ignition on. With the scan tool, record and erase DTC's Try to operate the Driver Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B1854-DRIVER WINDOW MOTOR CONTROL CIRCUIT LOW? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW MOTOR SHORTED With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Driver Window Motor connector. Turn the ignition on. Operate the driver window switch up and down several times. With the scan tool, read DTC's. Does the scan tool display B1854-DRIVER WINDOW MOTOR CONTROL CIRCUIT LOW? No Replace the Driver Window Motor in accordances with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 3 .
  3. (Q321) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Driver Door Module C4 connector. Measure the resistance between Ground and the (Q321) Left Front Window Express Down Driver circuit. Is the resistance below 1000.0 ohms? Yes Repair the (Q321) Left Front Window Express Down Driver circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 4 .
  4. (Q311) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND Measure the resistance between Ground and the (Q311) Left Front Window Express Up Driver circuit. Is the resistance below 1000.0 ohms? Yes Repair the (Q311) Left Front Window Express Up Driver circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 5 .
  5. (Q321) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO (Q311) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT Measure the resistance between the (Q321) Left Front Window Express Down Driver circuit and the (Q311) Driver Window Express Up Driver circuit. Is the resistance below 1000.0 ohms? Yes Repair the (Q321) Left Front Window Express Down Driver circuit for a short to the (Q311) Left Front Window Express Up Driver circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Driver Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  1. When Monitored: Whenever the module is awake.
  1. Set Condition: When both Driver Window Driver circuits (Up and Down) are supplied with voltage during a window movement command for more than five ms, this code will set.
Possible Causes
(Q321) (LHD) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO VOLTAGE
(Q322) (RHD) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO VOLTAGE
(Q311) (LHD) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO VOLTAGE
(Q312) (RHD) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO VOLTAGE
WINDOW MOTOR (REGULATOR)
DRIVER DOOR MODULE (DDM)

Scheme 13

Scheme 13
Scheme 13

Scheme 14

Scheme 14
Scheme 14
  1. TEST FOR INTERMITTENT CONDITION NOTE: This test shows text for a Left Hand Drive (LHD) vehicle. Right Hand Drive (RHD) vehicles use the same cavities. Refer to the schematic for difference names and circuit numbers. Turn the ignition on. With the scan tool, record and erase DTC's Try to operate the Driver Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B1855-DRIVER WINDOW MOTOR CONTROL CIRCUIT HIGH? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW MOTOR SHORTED With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Driver Window Motor connector. Turn the ignition on. Operate the driver window switch up and down several times. With the scan tool, read DTC's. Does the scan tool display B1855-DRIVER WINDOW MOTOR CONTROL CIRCUIT HIGH? No Replace the Driver Window Motor (regulator) in accordances with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 3 .
  3. (Q321) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Driver Door Module C4 connector. Turn the ignition on. Measure the voltage between the (Q321) Left Front Window Express Down Driver circuit and Ground. Is there any voltage present? Yes Repair the (Q321) Left Front Window Express Down Driver circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 4 .
  4. (Q311) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO VOLTAGE Measure the voltage between the (Q311) Left Front Window Express Up Driver circuit and Ground. Is there any voltage present? Yes Repair the (Q311) Left Front Window Express Up Driver circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Driver Door Module. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  1. When Monitored: Whenever the module is awake.
  1. Set Condition: When one or both Driver Window Driver circuits (Up and Down) are not supplied with voltage, when they should be, during a window movement command for more than five ms, this code will set.
Possible Causes
(Q321) (LHD) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT OPEN
(Q322) (RHD) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT OPEN
(Q311) (LHD) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT OPEN
(Q312) (RHD) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT OPEN
WINDOW MOTOR (REGULATOR)
DRIVER DOOR MODULE (DDM)

Scheme 15

Scheme 15: Diagnostic Test
Scheme 15: Diagnostic Test

Scheme 16

Scheme 16
Scheme 16

Scheme 17

Scheme 17
Scheme 17
  1. TEST FOR INTERMITTENT CONDITION NOTE: This test shows text for a Left Hand Drive (LHD) vehicle. Right Hand Drive (RHD) vehicles use the same cavities. Refer to the schematic for difference names and circuit numbers. Turn the ignition on. With the scan tool, record and erase DTC's Try to operate the Driver Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B1856-DRIVER WINDOW MOTOR CONTROL CIRCUIT OPEN? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW MOTOR OR CIRCUIT OPEN Turn the ignition off. Disconnect the Driver Express Window Motor connector. Connect a test light between the (Q311) Left Front Window Express Up Driver circuit and the (Q321) Left Front Window Express Down Driver circuit Turn the ignition on. Trip the driver door latch to the closed position. Operate the driver window switch up and down several times while observing the test light. Does the test light illuminate brightly when the switch is pressed in both directions? With the express up window, the test light may only flash momentarily. Yes Replace the Driver Window Motor (regulator) in accordances with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 3 .
  3. (Q321) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT OPEN Turn the ignition off. Disconnect the Driver Door Module C4 connector. Measure the resistance of the (Q321) Left Front Window Express Down Driver circuit between the C4 module connector and the motor connector. Is the resistance below 2.0 ohms? No Repair the (Q321) Left Front Window Express Down Driver circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 4 .
  4. (Q311) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT OPEN Measure the resistance of the (Q311) Left Front Window Express Up Driver circuit between the C4 module connector and the motor connector. Is the resistance below 2.0 ohms? No Repair the (Q311) Left Front Window Express Up Driver circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Replace the Driver Door Module. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .

Scheme 18

Scheme 18: Circuit Schematic
Scheme 18: Circuit Schematic
  1. When Monitored: Whenever the module is awake.
  1. Set Condition: When the Driver Window Hall Sensor Supply circuit falls below 0.8 volts for over 480 ms, this code will set.
Possible Causes
(Q305) DRIVER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO GROUND
WINDOW MOTOR SHORTED
DRIVER DOOR MODULE (DDM)

Scheme 19

Scheme 19
Scheme 19
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC's Operate the Driver Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B1858-DRIVER WINDOW POSITION SENSOR POWER SUPPLY LOW? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW MOTOR SHORTED With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Driver Window Motor connector. Turn the ignition on. Operate the driver window switch up and down several times. With the scan tool, read DTC's. Does the scan tool display B1858-DRIVER WINDOW POSITION SENSOR POWER SUPPLY LOW? No Replace the Window Motor (regulator). Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 3 .
  3. (Q305) DRIVER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Driver Door Module C4 connector. Measure the resistance between Ground and the (Q305) Driver Window Hall Sensor Supply circuit. Is the resistance below 1000.0 ohms? Yes Repair the (Q305) Driver Window Hall Sensor Supply circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Driver Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  1. When Monitored: Whenever the power is turned off to the module and it goes from being awake to sleep mode.
  1. Set Condition: When the Driver Window Hall Sensor Supply circuit is above 1.5 volts for over 15 ms. and the power to the module has been turned off, this code will set.
Possible Causes
(Q305) DRIVER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO VOLTAGE
DRIVER DOOR MODULE (DDM)

Scheme 20

Scheme 20: Diagnostic Test
Scheme 20: Diagnostic Test
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC's Wait 30 seconds. With the scan tool, read the active DTC's. Does the scan tool display B1859-DRIVER WINDOW POSITION SENSOR POWER SUPPLY HIGH? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. (Q305) DRIVER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Driver Door Module C4 connector. Turn the ignition on. Measure the voltage between the (Q305) Driver Window Hall Sensor Supply circuit and Ground. Is the voltage above 1.5 volts? Yes Repair the (Q305) Driver Window Hall Sensor Supply circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Driver Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .

Scheme 21

Scheme 21: Circuit Schematic
Scheme 21: Circuit Schematic
  1. When Monitored: Whenever the module is awake.
  1. Set Condition: When the Passenger Window Express Switch Mux circuit is resisted for over 30 seconds.
Possible Causes
(Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND
(Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT SHORT TO THE (Q936) PASSENGER WINDOW EXPRESS SWITCH RETURN CIRCUIT
WINDOW/DOOR LOCK SWITCH SHORT TO GROUND
PASSENGER DOOR MODULE (PDM)

Scheme 22

Scheme 22: Diagnostic Test
Scheme 22: Diagnostic Test

Scheme 23

Scheme 23
Scheme 23

Scheme 24

Scheme 24
Scheme 24
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC's Operate the Passenger Window Switch in all positions several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B185D-PASSENGER WINDOW SWITCH CIRCUIT STUCK? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Check for a sticking switch and using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. PASSENGER WINDOW SWITCH SHORTED With the scan tool, erase DTC's. Disconnect the Passenger Window/Door Lock Switch connector. With the scan tool, read DTC's. Does the scan tool display B185D-PASSENGER WINDOW SWITCH CIRCUIT STUCK? No Replace the Passenger Express Window/Door Lock Switch. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 3 .
  3. (Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Passenger Door Module C5 connector. Measure the resistance between ground and the (Q336) Passenger Window Express Switch Mux circuit. Is the resistance below 10000.0 ohms? Yes Repair the (Q336) Passenger Window Express Switch Mux circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 4 .
  4. (Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT SHORT TO (Q936) PASSENGER EXPRESS SWITCH RETURN CIRCUIT Measure the resistance between the (Q336) Passenger Window Express Switch Mux circuit and the (Q936) Passenger Express Switch Return circuit. Is the resistance below 10000.0 ohms? Yes Repair the (Q336) Passenger Express Switch Mux circuit for a short to the (Q936) Passenger Window Express Switch Return circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Passenger Door Module. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .

Scheme 25

Scheme 25: Circuit Schematic
Scheme 25: Circuit Schematic
  1. When Monitored: Whenever the window motor is operating.

Note. Even though the Left Hand Drive vehicles are NOT equipped with Express Up Windows, the circuits are still named Express if the vehicle has the Driver Express Up feature.

  1. Set Condition: When both Passenger Window Driver circuits (Up and Down) are grounded during a window movement command, this code will set.
Possible Causes
(Q322) (LHD) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND
(Q321) (RHD) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND
(Q312) (LHD) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND
(Q311) (RHD) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND
(Q322) (LHD) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO THE (Q312) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT
(Q321) (RHD) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO THE (Q311) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT
WINDOW MOTOR SHORTED
PASSENGER DOOR MODULE (PDM)

Scheme 26

Scheme 26: Diagnostic Test
Scheme 26: Diagnostic Test

Scheme 27

Scheme 27
Scheme 27

Scheme 28

Scheme 28
Scheme 28

Scheme 29

Scheme 29
Scheme 29
  1. TEST FOR INTERMITTENT CONDITION NOTE: This test shows text for a Left Hand Drive (LHD) vehicle. Right Hand Drive (RHD) vehicles use the same cavities. Refer to the schematic for difference in names and circuit numbers. Turn the ignition on. With the scan tool, record and erase DTC's Try to operate the Passenger Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B185F-PASSENGER WINDOW MOTOR CONTROL CIRCUIT LOW? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW MOTOR SHORTED With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Passenger Window Motor connector. Turn the ignition on. Operate the passenger window switch up and down several times. With the scan tool, read DTC's. Does the scan tool display B185F-PASSENGER WINDOW MOTOR CONTROL CIRCUIT LOW? No Replace the Window Motor (regulator) in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 3 .
  3. (Q322) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Passenger Door Module C4 connector. Measure the resistance between Ground and the (Q322) Right Front Window Express Down Driver circuit. Is the resistance below 1000.0 ohms? Yes Repair the (Q322) Right Front Window Express Down Driver circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 4 .
  4. (Q312) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND Measure the resistance between Ground and the (Q312) Right Front Window Express Up Driver circuit. Is the resistance below 1000.0 ohms? Yes Repair the (Q312) Right Front Window Express Up Driver circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 5 .
  5. (Q322) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO (Q312) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT Measure the resistance between the (Q322) Right Front Window Express Down Driver circuit and the (Q312) Right Front Window Express Up Driver circuit. Is the resistance below 1000.0 ohms? Yes Repair the (Q322) Right Front Window Express Down Driver circuit for a short to the (Q312) Right Front Window Express Up Driver circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Passenger Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .

Scheme 30

Scheme 30: Circuit Schematic
Scheme 30: Circuit Schematic
  1. When Monitored: Whenever the module is awake.
  1. Set Condition: When both Passenger Window Driver circuits (Up and Down) are supplied with voltage during a window movement command for more than five ms, this code will set.
Possible Causes
(Q322) (LHD) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO VOLTAGE
(Q321) (RHD) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO VOLTAGE
(Q312) (LHD) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO VOLTAGE
(Q311) (RHD) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO VOLTAGE
WINDOW MOTOR (REGULATOR)
PASSENGER DOOR MODULE (PDM)

Scheme 31

Scheme 31
Scheme 31

Scheme 32

Scheme 32
Scheme 32
  1. TEST FOR INTERMITTENT CONDITION NOTE: This test shows text for a Left Hand Drive (LHD) vehicle. Right Hand Drive (RHD) vehicles use the same cavities. Refer to the schematic for different names and circuit numbers. Turn the ignition on. With the scan tool, record and erase DTC's Try to operate the Passenger Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B1860-PASSENGER WINDOW MOTOR CONTROL CIRCUIT HIGH? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW MOTOR SHORTED With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Passenger Window Motor connector. Turn the ignition on. Operate the driver window switch up and down several times. With the scan tool, read DTC's. Does the scan tool display B1860-PASSENGER WINDOW MOTOR CONTROL CIRCUIT HIGH? No Replace the Passenger Window Motor (regulator) in accordances with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 3 .
  3. (Q322) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Passenger Door Module C4 connector. Turn the ignition on. Measure the voltage between the (Q322) Right Front Window Express Down Driver circuit and Ground. Is there any voltage present? Yes Repair the (Q322) Right Front Window Express Down Driver circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 4 .
  4. (Q312) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO VOLTAGE Measure the voltage between the (Q312) Right Front Window Express Up Driver circuit and Ground. Is there any voltage present? Yes Repair the (Q312) Right Front Window Express Up Driver circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Passenger Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  1. When Monitored: Whenever the module is awake.
  1. Set Condition: When one or both Passenger Window Driver circuits (Up and Down) are not supplied with voltage, when they should be, during a window movement command for more than five ms, this code will set.
Possible Causes
(Q322) (LHD) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT OPEN
(Q321) (RHD) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT OPEN
(Q312) (LHD) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT OPEN
(Q311) (RHD) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT OPEN
WINDOW MOTOR (REGULATOR)
PASSENGER DOOR MODULE (PDM)

Scheme 33

Scheme 33: Diagnostic Test
Scheme 33: Diagnostic Test

Scheme 34

Scheme 34
Scheme 34

Scheme 35

Scheme 35
Scheme 35
  1. TEST FOR INTERMITTENT CONDITION NOTE: This test shows text for a Left Hand Drive (LHD) vehicle. Right Hand Drive (RHD) vehicles use the same cavities. Refer to the schematic for difference names and circuit numbers. Turn the ignition on. With the scan tool, record and erase DTC's Try to operate the Passenger Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B1861-PASSENGER WINDOW MOTOR CONTROL CIRCUIT OPEN? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW MOTOR OR CIRCUIT OPEN Turn the ignition off. Disconnect the Passenger Express Window Motor connector. Connect a test light between the (Q312) Right Front Window Express Up Driver circuit and the (Q322) Right Front Window Express Down Driver circuit Turn the ignition on. Operate the passenger window switch up and down several times while observing the test light. Does the test light illuminate brightly when the switch is pressed in both directions? With the express up window, the test light will only flash momentarily each time the switch is actuated. Yes Replace the Passenger Window Motor (regulator) in accordances with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 3 .
  3. (Q322) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT OPEN Turn the ignition off. Disconnect the Passenger Door Module C4 connector. Measure the resistance of the (Q322) Right Front Window Express Down Driver circuit between the C4 module connector and the motor connector. Is the resistance below 2.0 ohms? No Repair the (Q322) Right Front Window Express Down Driver circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 4 .
  4. (Q312) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT OPEN Measure the resistance of the (Q312) Right Front Window Express Up Driver circuit between the C4 module connector and the motor connector. Is the resistance below 2.0 ohms? No Repair the (Q312) Right Front Window Express Up Driver circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Replace the Passenger Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .

Scheme 36

Scheme 36: Circuit Schematic
Scheme 36: Circuit Schematic
  1. When Monitored: Whenever the module is awake.
  1. Set Condition: When the Passenger Window Hall Sensor Supply circuit falls below 0.8 volts for over 480 ms, this code will set.
Possible Causes
(Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO GROUND
WINDOW MOTOR SHORTED
PASSENGER DOOR MODULE (PDM)

Scheme 37

Scheme 37: Diagnostic Test
Scheme 37: Diagnostic Test

Scheme 38

Scheme 38
Scheme 38
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC's Operate the Passenger Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B1863-PASSENGER WINDOW POSITION SENSOR POWER SUPPLY LOW? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. WINDOW MOTOR SHORTED With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Passenger Express Window Motor connector. Turn the ignition on. Operate the passenger window switch up and down several times. With the scan tool, read DTC's. Does the scan tool display B1863-PASSENGER WINDOW POSITION SENSOR POWER SUPPLY LOW? No Replace the Window Motor (regulator) in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Go To 3 .
  3. (Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Passenger Door Module C4 connector. Measure the resistance between Ground and the (Q306) Passenger Window Hall Sensor Supply circuit. Is the resistance below 1000.0 ohms? Yes Repair the (Q306) Passenger Window Hall Sensor Supply circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Passenger Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  1. When Monitored: Whenever the power is turned off to the module and it goes from being awake to sleep mode.
  1. Set Condition: When the Passenger Window Hall Sensor Supply circuit is above 1.5 volts for over 15 ms. and the power to the module has been turned off, this code will set.
Possible Causes
(Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO VOLTAGE
PASSENGER DOOR MODULE (PDM)

Scheme 39

Scheme 39: Diagnostic Test
Scheme 39: Diagnostic Test
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC's Operate the Passenger Window up and down several times. Wait 30 seconds. With the scan tool, read the stored DTC's. Does the scan tool display B1864-PASSENGER WINDOW POSITION SENSOR POWER SUPPLY HIGH? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. (Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Passenger Door Module C4 connector. Turn the ignition on. Measure the voltage between the (Q306) Passenger Window Hall Sensor Supply circuit and Ground. Is there any voltage present? Yes Repair the (Q306) Passenger Window Hall Sensor Supply circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Passenger Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  1. When Monitored: At all times.
  1. Set Condition: Whenever the module detects a Front Left Window signal from the master power window switch, for over 30 seconds, this code will set.
Possible Causes
MASTER POWER WINDOW SWITCH
  1. When Monitored: At all times.
  1. Set Condition: Whenever the module detects a Front Right Window signal from the master power window switch, for over 30 seconds, this code will set.
Possible Causes
MASTER POWER WINDOW SWITCH
  1. When Monitored: At all times.
  1. Set Condition: Anytime the module senses voltage input below 9.0 volts, this code will set.
Possible Causes
LOW VOLTAGE ENGINE DTC
(A215) (DDM), A214 (PDM) FUSED B(+) CIRCUIT HAS HIGH RESISTANCE
(Z913) GROUND CIRCUIT HAS HIGH RESISTANCE
DRIVER OR PASSENGER DOOR MODULE
  1. When Monitored: At all times.
  1. Set Condition: Anytime the module senses voltage input above 15.9 volts, this code will set.
Possible Causes
HIGH VOLTAGE ENGINE DTC
DRIVER OR PASSENGER DOOR MODULE
  1. When Monitored: At all times.
  1. Set Condition: Whenever the module detects an EEPROM failure
Possible Causes
DRIVER OR PASSENGER DOOR MODULE
  1. When Monitored: At all times.
  1. Set Condition: Whenever the module detects an out of range signal from the master power window switch, for over 30 seconds, this code will set.
Possible Causes
See DTC U113D
  1. When Monitored: Whenever the window motor is operating.
  1. Set Condition: When the Door Module has lost the parameters for window travel, this code will set.
Possible Causes
MODULE NOT CALIBRATED
EXPRESS WINDOW SWITCH
PASSENGER DOOR MODULE (PDM)
  1. When Monitored: Whenever the window motor is operating.
  1. Set Condition: When the Door Module has lost the parameters for window travel, this code will set.
Possible Causes
MODULE NOT CALIBRATED
EXPRESS WINDOW SWITCH
DRIVER DOOR MODULE (DDM)

This code will always set anytime the battery or the door module connector is disconnected.

Note. If there are any other Power Window DTC's, repair them before continuing.

  1. When Monitored: Whenever the window motor is operating.
  1. Set Condition: When the door module does not sense a pulse from the hall sensor, during a window movement, this code will set.
Possible Causes
(Q305) DRIVER WINDOW HALL SENSOR SUPPLY CIRCUIT OPEN
(Q301) DRIVER WINDOW HALL SENSOR A CIRCUIT OPEN
WINDOW MOTOR
DRIVER DOOR MODULE (DDM)

Scheme 40

Scheme 40: Diagnostic Test
Scheme 40: Diagnostic Test

Scheme 41

Scheme 41
Scheme 41

Scheme 42

Scheme 42
Scheme 42
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC's Operate the Driver Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B2580-DRIVER WINDOW POSITION SENSOR(S) NO SIGNAL? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. (Q305) DRIVER WINDOW HALL SENSOR SUPPLY CIRCUIT OPEN With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Driver Window Motor connector. Measure the voltage between the (Q305) Driver Window Hall Sensor Supply circuit and Ground. Turn the ignition on. Is the voltage above 9.5 volts? No Go To 3 . Yes Go To 4 .
  3. (Q305) HALL SENSOR SUPPLY CIRCUIT OPEN Turn the ignition off. Disconnect the Driver Door Module C4 connector. Measure the resistance of the (Q305) Driver Window Hall Sensor Supply circuit between the Module connector and the Motor connector. Is the resistance below 2.0 ohms? Yes Replace the Driver Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Repair the (Q305) Driver Window Hall Sensor Supply circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  4. (Q301) DRIVER WINDOW HALL SENSOR A SIGNAL CIRCUIT OPEN Turn the ignition off. Disconnect the Driver Door Module C4 connector. Measure the resistance of the (Q301) Driver Window Hall Sensor A Signal circuit between the Module connector and the Motor connector. Is the resistance below 2.0 ohms? No Repair the (Q301) Driver Window Hall Sensor A Signal circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Replace the Driver Window Motor (regulator) in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .

Scheme 43

Scheme 43: Circuit Schematic
Scheme 43: Circuit Schematic
  1. When Monitored: Whenever the window motor is operating.
  1. Set Condition: When the door module does not sense a pulse from the hall sensor, during a window movement, this code will set.
Possible Causes
(Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT OPEN
(Q302) PASSENGER WINDOW HALL SENSOR A CIRCUIT OPEN
WINDOW MOTOR (REGULATOR)
PASSENGER DOOR MODULE (PDM)

Scheme 44

Scheme 44: Diagnostic Test
Scheme 44: Diagnostic Test

Scheme 45

Scheme 45
Scheme 45

Scheme 46

Scheme 46
Scheme 46
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC's Operate the Passenger Window up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display B2581-PASSENGER WINDOW POSITION SENSOR(S) NO SIGNAL? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. (Q306) HALL SENSOR SUPPLY CIRCUIT OPEN With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Passenger Window Motor connector. Turn the ignition on. Measure the voltage between the (Q306) Passenger Window Hall Sensor Supply circuit and Ground. Turn the ignition on. Is the voltage above 9.5 volts? No Go To 3 . Yes Go To 4 .
  3. (Q306) HALL SENSOR SUPPLY CIRCUIT OPEN Turn the ignition off. Disconnect the Passenger Door Module C4 connector. Measure the resistance of the (Q306) Passenger Window Hall Sensor Supply circuit between the Module connector and the Motor connector. Is the resistance below 2.0 ohms? Yes Replace the Passenger Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Repair the (Q306) Passenger Window Hall Sensor Supply circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  4. (Q302) PASSENGER WINDOW HALL SENSOR A SIGNAL CIRCUIT OPEN Turn the ignition off. Disconnect the Passenger Door Module C4 connector. Measure the resistance of the (Q302) Passenger Window Hall Sensor A Signal circuit between the Module connector and the Motor connector. Is the resistance below 2.0 ohms? No Repair the (Q302) Passenger Window Hall Sensor Signal A circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Replace the Passenger Window Motor (regulator) in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  1. When Monitored: Whenever the module is awake.
  1. Set Condition: When one or both door modules have lost communication with the Driver Express Window/Door Lock Switch, this code will set.
Possible Causes
(D500) LIN BUS CIRCUIT SHORT TO GROUND
(D500) LIN BUS CIRCUIT SHORT TO VOLTAGE
(D500) LIN BUS CIRCUIT OPEN
(D501) LIN BUS RETURN CIRCUIT OPEN
DRIVER EXPRESS WINDOW/DOOR LOCK SWITCH
DOOR MODULE (DDM)

Scheme 47

Scheme 47: Diagnostic Test
Scheme 47: Diagnostic Test

Scheme 48

Scheme 48
Scheme 48

Scheme 49

Scheme 49
Scheme 49

Scheme 50

Scheme 50
Scheme 50

Scheme 51

Scheme 51
Scheme 51
  1. TEST FOR INTERMITTENT CONDITION NOTE: If the scan tool displays any other power window DTC(s), repair them first before continuing. Turn the ignition on. With the scan tool, record and erase DTC's Try to operate the Front Windows up and down several times. Wait 30 seconds. With the scan tool, read DTC's. Does the scan tool display: U113D-LOST COMMUNICATION WITH MASTER POWER WINDOW SWITCH? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  2. CHECK THE LIN BUS CIRCUIT With the scan tool, erase DTC's. Turn the ignition off. Disconnect the Driver Window/Door Lock Switch C2 connector. Turn the ignition on. Measure the voltage between the (D500) LIN Bus circuit and the (D501) LIN Bus Return circuit. Is the voltage above 8.0 volts? No Go To 4 . Yes Go To 3 .
  3. (D500) LIN BUS CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Driver Door Module C5 connector. Turn the ignition on. Measure the voltage between Ground and the (D500) LIN Bus circuit. Is there any voltage present? Yes Repair the (D500) LIN Bus circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace the Driver Window/Door Lock Switch. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  4. (D501) LIN BUS RETURN CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (D501) LIN Bus Return circuit in the Window Switch connector. Does the test light illuminate brightly? Yes Go To 5 . No Repair the (D501) LIN Bus Return circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
  5. (D500) LIN BUS CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Driver Door Module C5 connector. Measure the resistance between Ground and the (D500) LIN Bus circuit in the Door Module C4 connector. Is the resistance below 10,000.0 ohms? Yes Repair the (D500) LIN Bus circuit for a short to the ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Go To 6 .
  6. (D500) LIN BUS CIRCUIT OPEN Measure the resistance of the (D500) LIN Bus circuit between the Door Module C5 connector and the Driver Express Window/Door Lock Switch connector. Is the resistance below 2.0 ohms? No Repair the (D500) LIN Bus circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . Yes Replace the Driver Door Module in accordance with service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .

More articles — Power Window System - Electrical Diagnostics