10
11
Not used Not used
GRN SG
---------
Ground for the differential
fluid pressure sensor
---------
With ignition switch ON (II): about 0 V
Power supply for real time With ignition switch ON (II): battery
12
13
14
RED IG1
AWD control unit
voltage
Not used Not used
WHT F_CAN-H
---------
---------
F-CAN communication
circuit
With ignition switch ON (II): pulses
Power supply the differential With solenoid valve off: about 0 V
15
RED DTYH
solenoid valve
With solenoid valver on: battery voltage
16
17
Not used Not used
Not used Not used
---------
---------
Detects differential fluid
temperature sensor signal
(positive)
With ignition switch ON (II): about 0.1
V to 4.9 V (Depending on rear
differential fluid temperature)
18
ORN TOH
19
20
Not used Not used
WHT SVCC
---------
---------
Power supply for differential With ignition switch ON (II): about 5.0
fluid pressure sensor
V
With ignition switch ON (II): about 0.4
V to 4.1 V
(Depending on rear differential fluid
pressure)
Detects differential fluid
pressure sensor signal
(positive)
21
PNK PS
Detects differential fluid
temperature sensor (negative)
---------
F-CAN communication
circuit
22
23
24
LTBLU TOL
With ignition switch ON (II): about 0 V
---------
Not used Not used
RED F_CAN-L
With ignition switch ON (II): pulses
REAL TIME AWD CONTROL UNIT INITIALIZATION
PROCEDURE
NOTE:
ο¬
ο¬
Whenever the real time AWD control unit is replaced, it must be initialized.
Park the vehicle on a flat and level surface.
1. HDS DLC - Connection
1. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the
dashboard.
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehicle. If it does not communicate, go to the DLC
circuit troubleshooting.
Fig. 6: Identifying Data Link Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
2. Real Time AWD Control Unit Initialization
1. Select the ADJUSTMENT in the REAL TIME AWD SYSTEM with the HDS.
2. Select the ECU REPLACEMENT in the ADJUSTMENT with the HDS.
NOTE:
See the HDS Help menu for specific instructions.
REAL TIME AWD CONTROL UNIT REMOVAL AND INSTALLATION
REMOVAL
1. Tonneau Cover (For Some Models)
1. Remove the tonneau cover (A).
Fig. 7: Removing Tonneau Cover
Courtesy of AMERICAN HONDA MOTOR CO., INC.

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