Jeep Grand Cherokee WK. Manual — part 504
B1D33, B1D37–MIRROR HEATER CONTROL CIRCUIT LOW – MEMORY MIRROR MODULE (CONTINUED)
5.
CHECK THE (C110) DRIVER MIRROR HEATER DRIVER CIRCUIT FOR A SHORT TO THE (P69) DRIVER
MIRROR SENSOR GROUND CIRCUIT OR THE (C16) PASSENGER MIRROR HEATER DRIVER CIRCUIT
FOR A SHORT TO THE (P66) PASSENGER MIRROR SENSOR GROUND CIRCUIT
For the Driver Memory Mirror System, proceed as follows:
•
Measure the resistance between the (C110) Driver Mirror Heater
Driver circuit and the (P69) Driver Mirror Sensor Ground circuit in
the Driver Memory Mirror Module C1 connector.
For the Passenger Memory Mirror System, proceed as follows:
•
Measure the resistance between the (C16) Passenger Mirror
Heater Driver circuit and the (P66) Passenger Mirror Sensor
Ground circuit in the Passenger Memory Mirror Module connec-
tor.
Is the resistance below 10000.0 ohms?
Yes, Driver MMM
Repair the (C110) Driver Mirror Heater Driver circuit for a
short to the (P69) Driver Mirror Sensor Ground circuit.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
Yes, Passenger MMM
Repair the (C16) Passenger Mirror Heater Driver circuit for
a short to the (P66) Passenger Mirror Sensor Ground cir-
cuit.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No
>> Go To 6
8N - 176
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
WK
B1D33, B1D37–MIRROR HEATER CONTROL CIRCUIT LOW – MEMORY MIRROR MODULE (CONTINUED)
6.
CHECK THE (C110) DRIVER MIRROR HEATER DRIVER CIRCUIT FOR A SHORT TO THE (C910) DRIVER
MIRROR HEATER GROUND CIRCUIT OR THE (C16) PASSENGER MIRROR HEATER DRIVER CIRCUIT
FOR A SHORT TO THE (C917) PASSENGER MIRROR HEATER GROUND CIRCUIT
For the Driver Memory Mirror System, proceed as follows:
•
Measure the resistance between the (C110) Driver Mirror Heater
Driver circuit and the (C910) Driver Mirror Heater Ground circuit
in the Driver Memory Mirror Module C1 connector.
For the Passenger Memory Mirror System, proceed as follows:
•
Measure the resistance between the (C16) Passenger Mirror
Heater Driver circuit and the (C917) Passenger Mirror Heater
Ground circuit in the Passenger Memory Mirror Module connec-
tor.
Is the resistance below 10000.0 ohms?
Yes, Driver MMM
Repair the (C110) Driver Mirror Heater Driver circuit for a
short to the (C910) Driver Mirror Heater Ground circuit.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
Yes, Passenger MMM
Repair the (C16) Passenger Mirror Heater Driver circuit for
a short to the (C917) Passenger Mirror Heater Ground cir-
cuit.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No, Driver MMM
Replace the Driver Memory Mirror Module in accordance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No, Passenger MMM
Replace the Passenger Memory Mirror Module in accordance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
WK
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 177
B1D35, B1D39–MIRROR HEATER CONTROL CIRCUIT OPEN – MEMORY MIRROR
MODULE
8N - 178
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
WK
B1D35, B1D39–MIRROR HEATER CONTROL CIRCUIT OPEN – MEMORY MIRROR MODULE (CONTINUED)
For the Power Memory Mirror System circuit diagram (Refer to 8 - ELECTRICAL/POWER MIRRORS - SCHEMAT-
ICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
When the Mirror Heater Driver Output is turned on.
•
Set Condition:
DTC B1D35 – If the Driver Memory Mirror Module senses voltage on the (C110) Driver Mirror Heater Driver
circuit within 10 ms of turning on the Mirror Heater Driver Output.
DTC B1D39 – If the Passenger Memory Mirror Module senses voltage on the (C16) Passenger Mirror Heater
Driver circuit within 10 ms of turning on the Mirror Heater Driver Output.
Possible Causes
FOR THE DRIVER MEMORY MIRROR SYSTEM:
(C110) DRIVER MIRROR HEATER DRIVER CIRCUIT OPEN
(C910) DRIVER MIRROR HEATER GROUND CIRCUIT OPEN
DRIVER OUTSIDE REARVIEW MIRROR OPEN
DRIVER MEMORY MIRROR MODULE
FOR THE PASSENGER MEMORY MIRROR SYSTEM:
(C16) PASSENGER MIRROR HEATER DRIVER CIRCUIT OPEN
(C917) PASSENGER MIRROR HEATER GROUND CIRCUIT OPEN
PASSENGER OUTSIDE REARVIEW MIRROR OPEN
PASSENGER MEMORY MIRROR MODULE
NOTE: This procedure addresses the Driver Memory Mirror system’s circuits and components and the Pas-
senger Memory Mirror system’s circuits and components. Select only that which applies to the system you
are diagnosing.
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
Verify that the Rear Window Defogger (EBL) mode switch is off (EBL status indicator not illuminated).
With the scan tool, record and erase DTCs.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Press the Rear Window Defogger (EBL) mode switch on.
With the scan tool, read DTCs.
Does the scan tool display: B1D35 or B1D39 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/sche-
matic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
WK
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 179
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