Infiniti G35 (V35) Sedan. Manual — part 399
DLN-30
< ECU DIAGNOSIS >
[TRANSFER: ETX13B]
AWD CONTROL UNIT
JCDWA0010GB
AWD CONTROL UNIT
DLN-31
< ECU DIAGNOSIS >
[TRANSFER: ETX13B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
JCDWA0011GB
DLN-32
< ECU DIAGNOSIS >
[TRANSFER: ETX13B]
AWD CONTROL UNIT
Fail Safe
INFOID:0000000000957259
AWD system
• If any malfunction occurs in AWD electrical system, and control unit detects the malfunction, AWD warning
lamp on combination meter turns ON to indicate system malfunction.
• When AWD warning lamp is ON, vehicle changes to rear-wheel drive or shifting driving force-AWD (Front-
wheels still have some driving torque).
JCDWA0012GB
AWD CONTROL UNIT
DLN-33
< ECU DIAGNOSIS >
[TRANSFER: ETX13B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
• AWD system activates its protection function (shuts down AWD system temporarily) if AWD system detects
high load continuously or the front wheel tire size differs from the rear tire size. (AWD system is automati-
cally restored if AWD system no longer detects any overload or the tire size difference is eliminated.)
*1: Quick blinking: 2 times/second (blinking in approx. 1 minute and then turning OFF)
*2: Slow blinking: 1 time/2 seconds (Continuing to blink until turning ignition switch OFF)
DTC Inspection Priority Chart
INFOID:0000000000957260
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC Index
INFOID:0000000000957261
Function
Warn-
ing
lamp
DTC No.
Detected area (Error area)
Error area and root cause
Protec-
tion
function
Blink-
ing
*1
—
AWD control unit
Transfer assembly in protection mode
(Internal temperature rise of electronic controlled coupling)
Protec-
tion
function
Blink-
ing
*2
—
Outer diameters of front and
rear wheel tires
Malfunction in each tire or different tire diameter
Fail-safe
function
ON
C1201
AWD control unit
Internal malfunction of AWD control unit
Fail-safe
function
ON
C1203
ABS actuator and electric unit
(control unit)
ABS malfunction
• Vehicle speed signal error
• Stop lamp switch signal (brake signal) error
Fail-safe
function
ON
C1204
AWD solenoid
Internal malfunction of electronic controlled coupling
Fail-safe
function
ON
C1205
AWD control unit
Internal malfunction of AWD control unit
Fail-safe
function
ON
C1210
ECM
Malfunction of engine control system
• Accelerator pedal position signal error
• Engine speed signal error
Fail-safe
function
ON
U1000
CAN communication line
CAN communication line error
Fail-safe
function
ON
U1010
AWD control unit
AWD control unit error
Priority
Detected items (DTC)
1
• U1000 CAN COMM CIRCUIT
• U1010 CONTROL UNIT (CAN)
2
• C1201 AWD CONTROL UNIT
• C1205 AWD ACTUATOR RELAY
3
• C1203 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
• C1210 ECM
4
• C1204 AWD SOLENOID VALVE
DTC
Items
(CONSULT-III screen terms)
Reference
C1201
CONTROLLER FAILURE
C1203
ABS SYSTEM
C1204
4WD SOLENOID
C1205
4WD ACTUATOR RLY
C1210
ENGINE SIGNAL 1
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