B1D39-PASSENGER MIRROR HEATER CONTROL CIRCUIT OPEN

B1D39
B1D39-PASSENGER MIRROR HEATER CONTROL CIRCUIT OPEN
- When Monitored:
When the Mirror Heater Driver Output is turned on.
2010 Jeep Truck Grand Cherokee SRT-8 V8-6.1L    Page 394
- Set Condition:
If the Passenger Door Module senses voltage on the (C16) Passenger Mirror Heater Driver circuit within 10 ms of turning on the Mirror
Heater Driver Output.
1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. Verify that the Rear Window Defogger (EBL) mode switch is off (EBL status indicator not illuminated).
3. With the scan tool, record and erase DTCs.
4. Turn the ignition off, wait 10 seconds, then turn the ignition on.
5. Press the Rear Window Defogger (EBL) mode switch on.
6. With the scan tool, read DTCs.
Does the scan tool display: B1D39-PASSENGER MIRROR HEATER 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 the BODY VERIFICATION TEST. See: Verification Tests/Body Verification Test.
2. TEST FOR AN OPEN OUTSIDE REARVIEW MIRROR
1. Press the Rear Window Defogger (EBL) mode switch off.
2. Turn the ignition off.
3. Disconnect the Passenger Outside Rearview Mirror connector.
4. Connect a 12-volt test light between the (C16) Passenger Mirror Heater Driver circuit and the (C917) Passenger Mirror Heater Return circuit.
5. Turn the ignition on.
6. Press the Rear Window Defogger (EBL) mode switch on.
Does the test light illuminate brightly?
Yes
- Replace the Outside Rearview Mirror.
- Perform the BODY VERIFICATION TEST. See: Verification Tests/Body Verification Test.
No
- Go To 3
2010 Jeep Truck Grand Cherokee SRT-8 V8-6.1L    Page 395
3. CHECK THE (C16) PASSENGER MIRROR HEATER DRIVER CIRCUIT FOR AN OPEN
1. Turn the ignition off.
2. Disconnect the Passenger Door Module C1 connector.
3. Measure the resistance of the (C16) Passenger Mirror Heater Driver circuit between the Passenger Outside Rearview Mirror connector and the
Passenger Door Module C1 connector.
Is the resistance below 2.0 ohms?
Yes
- Go To 4
No
- Repair the (C16) Passenger Mirror Heater Driver circuit for an open.
- Perform the BODY VERIFICATION TEST. See: Verification Tests/Body Verification Test.
4. CHECK THE (C917) PASSENGER MIRROR HEATER RETURN CIRCUIT FOR AN OPEN
1. Measure the resistance of the (C917) Passenger Mirror Heater Return circuit between the Passenger Outside Rearview Mirror connector and
the Passenger Door Module C1 connector.
Is the resistance below 2.0 ohms?
Yes
- Replace the Passenger Door Module.
- Perform the BODY VERIFICATION TEST. See: Verification Tests/Body Verification Test.
No
2010 Jeep Truck Grand Cherokee SRT-8 V8-6.1L    Page 396
- Repair the (C917) Passenger Mirror Heater Return circuit for an open.
- Perform the BODY VERIFICATION TEST. See: Verification Tests/Body Verification Test.