2009 SUBARU TRIBECA display

VDC(diag)-52
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Y: DTC C0047 IMPROPER CAN COMMUNICATION
DTC DETECTING CONDITION:
CAN communication line circuit is open or shorted.
TROUBLE SYMPTOM:
•ABS does not operate.
•VDC does not operate.
Step Check Yes No
1CHECK LAN SYSTEM.
Perfor m the diagnosis for LAN system. LAN(diag)-25, OPERATION, Read Diagnostic
Tr o u b l e C o d e ( D T C ) . >
Is there any fault in LAN sys-
tem?
Pe r for m t h e d ia g -
nosis according to
DTC for LAN sys-
tem.
Go to step 2.
2CHECK POOR CONTACT OF CONNEC-
TORS.
Is there poor contact in
VDCCM&H/U connector?
Repair the con-
nector.
Go to step 3.
3CHECK THE VDCCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the
VDCCM&H/U.
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
Te m p o r a r y p o o r
contact occurs.

VDC(diag)-54
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Step Check Yes No
1CHECK THE VDCCM&H/U INPUT VOLTAGE.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from the
VDCCM&H/U.
3) Run the engine at idle.
4) Measure the voltage between VDCCM&H/
U connector and chassis ground.
Connector & terminal
(B310) No. 44 (+) — Chassis ground (–):
Is the voltage 10 — 15 V? Go to step 2.Repair the har-
ness connector
between battery
and VDCCM&H/U.
2CHECK THE VDCCM&H/U GROUND CIR-
CUIT.
1) Turn the ignition switch to OFF.
2) Measure the resistance between
VDCCM&H/U connector and chassis ground.
Connector & terminal
(B310) No. 43 — Chassis ground:
Is the resistance less than 0.5
Ω?
Go to step 3.Repair the
VDCCM&H/U
ground harness.
3CHECK POOR CONTACT OF CONNEC-
TORS.
Is there poor contact in con-
nector between generator, bat-
tery and VDCCM&H/U?
Repair the con-
nector.
Go to step 4.
4CHECK THE VDCCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the
VDCCM&H/U.
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
Go to step 5.
5CHECK OTHER DTC DETECTION.Is any other DTC displayed? Perform the diag-
nosis according to
DTC.
Te m p o r a r y p o o r
contact occurs.

VDC(diag)-56
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
AB:DTC C0052 MOTOR / MOTOR RELAY SYSTEM OPEN LINE
NOTE:
For the diagnostic procedure, refer to DTC C0052 “MOTOR SYSTEM MALFUNCTION.” 57, DTC C0052 MOTOR SYSTEM MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
Step Check Yes No
1CHECK THE VDCCM&H/U VALVE RELAY.
1) Disconnect the connector from the
VDCCM&H/U.
2) Measure the resistance between
VDCCM&H/U connector terminals.
Te r m i n a l s
No. 44 — No. 43:
Is the resistance more than 1
MΩ?
Go to step 2.Replace the
VDCCM&H/U.
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
2CHECK POOR CONTACT OF CONNEC-
TORS.
Is there poor contact in con-
nector between generator, bat-
tery and VDCCM&H/U?
Repair the con-
nector.
Go to step 3.
3CHECK THE VDCCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the
VDCCM&H/U.
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
Go to step 4.
4CHECK OTHER DTC DETECTION.Is any other DTC displayed? Perform the diag-
nosis according to
DTC. VDC(diag)-34, List
of Diagnostic Trou-
ble Code (DTC).>
Te m p o r a r y p o o r
contact occurs.

VDC(diag)-59
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
8CHECK RELAY BOX.
Measure the resistance between each termi-
nal.
Te r m i n a l s
(VC1) No. 5 — (VC2) No. 10:
(VC1) No. 2 — (VC2) No. 6:
(VC1) No. 2 — (VC2) No. 13:
(VC1) No. 3 — (VC2) No. 8:
(VC1) No. 1 — (VC2) No. 12:
(VC1) No. 4 — (VC2) No. 11:
(VC2) No. 9 — (VC2) No. 14:
Is the resistance less than 0.5
Ω?
Go to step 9.Replace the relay
box.
9CHECK HARNESS.
1) Disconnect the connector from the
VDCCM&H/U.
2) Measure the resistance between
VDCCM&H/U and relay box.
Connector & terminal
(B423) No. 3 — (B310) No. 31:
(B423) No. 2 — (B310) No. 2:
(B423) No. 1 — (B310) No. 30:
(B423) No. 4 — (B310) No. 45:
Is the resistance less than 0.5
Ω?
Go to step 10.Repair the har-
ness.
10 CHECK GROUND SHORT CIRCUIT OF HAR-
NESS.
Measure the resistance between harness and
chassis ground.
Connector & terminal
(B423) No. 3 — Chassis ground:
(B423) No. 2 — Chassis ground:
(B423) No. 1 — Chassis ground:
(B423) No. 4 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 11.Repair the har-
ness.
11 CHECK GROUND CIRCUIT FOR MOTOR.
Measure the resistance between VDCCM&H/U
and chassis ground.
Connector & terminal
(B310) No. 46 — Chassis ground:
Is the resistance less than 0.5
Ω?
Go to step 12.Repair the har-
ness.
12 CHECK POOR CONTACT OF CONNEC-
TORS.
Is there poor contact in con-
nector?
Repair the con-
nector.
Go to step 13.
13 CHECK THE VDCCM&H/U.
1) Connect all the connectors and relays.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the
VDCCM&H/U.
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
Go to step 14.
14 CHECK OTHER DTC DETECTION.Is any other DTC displayed? Perform the diag-
nosis according to
DTC.
Te m p o r a r y p o o r
contact occurs.
Step Check Yes No

VDC(diag)-63
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
10 CHECK THE VDCCM&H/U.
1) Connect all the connectors and relays.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the
VDCCM&H/U.
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
Go to step 11.
11 CHECK OTHER DTC DETECTION.Is any other DTC displayed? Perform the diag-
nosis according to
DTC.
Te m p o r a r y p o o r
contact occurs.
Step Check Yes No

VDC(diag)-65
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Step Check Yes No
1CHECK THE VDCCM&H/U INPUT VOLTAGE.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from the
VDCCM&H/U.
3) Turn the ignition switch to ON.
4) Measure the voltage between VDCCM&H/
U connector and chassis ground.
Connector & terminal
(B310) No. 1 (+) — Chassis ground (–):
(B310) No. 45 (+) — Chassis ground (–):
Is the voltage 10 — 15 V? Go to step 2.Repair the
VDCCM&H/U
power supply cir-
cuit.
2CHECK INSTALLATION OF MOTOR
GROUND.
Is the motor ground terminal
installation bolt tightened 33
N·m (3.3 kgf-m, 24.3 ft-lb)?
Go to step 3.Tighten the motor
ground terminal
installation bolt.
3CHECK THE VDCCM&H/U GROUND CIR-
CUIT.
1) Turn the ignition switch to OFF.
2) Measure the resistance between
VDCCM&H/U connector and chassis ground.
Connector & terminal
(B310) No. 46 (+) — Chassis ground (–):
Is the resistance less than 0.5
Ω?
Go to step 4.Repair the
VDCCM&H/U
ground harness.
4CHECK THE VDCCM&H/U.
1) Connect all the connectors and relays.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the
VDCCM&H/U.
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
Go to step 5.
5CHECK OTHER DTC DETECTION.Is any other DTC displayed? Perform the diag-
nosis according to
DTC.
Te m p o r a r y p o o r
contact occurs.

VDC(diag)-67
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Step Check Yes No
1CHECK OUTPUT OF STOP LIGHT SWITCH
WITH SUBARU SELECT MONITOR.
1) Select {Current Data Display & Save} in
Subaru Select Monitor.
2) Release the brake pedal.
3) Read the stop light switch output in Subaru
Select Monitor.
Is OFF displayed on the dis-
play screen?
Go to step 2.Go to step 3.
2CHECK OUTPUT OF STOP LIGHT SWITCH
WITH SUBARU SELECT MONITOR.
1) Depress the brake pedal.
2) Read the stop light switch output in Subaru
Select Monitor.
Is ON displayed on the display
screen?
Go to step 5.Go to step 3.
3CHECK IF STOP LIGHTS COME ON.
Depress the brake pedal.
Does the stop light illuminate? Go to step 4.Repair the stop
light circuit.
4CHECK OPEN CIRCUIT OF HARNESS.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from the
VDCCM&H/U.
3) Depress the brake pedal.
4) Measure the voltage between VDCCM&H/
U connector and chassis ground.
Connector & terminal
(B310) No. 18 (+) — Chassis ground (–):
Is the voltage 10 — 15 V? Go to step 5.Repair the har-
ness between stop
light switch and
VDCCM&H/U con-
nector.
5CHECK POOR CONTACT OF CONNEC-
TORS.
Is there poor contact in con-
nector between stop light
switch and VDCCU&H/U?
Go to step 6.Repair the con-
nector.
6CHECK THE VDCCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the
VDCCM&H/U.
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
Go to step 7.
7CHECK OTHER DTC DETECTION.Is any other DTC displayed? Perform the diag-
nosis according to
DTC.
Te m p o r a r y p o o r
contact occurs.

VDC(diag)-68
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
AH:DTC C0056 G SENSOR OUTPUT SEIZURE
DTC DETECTING CONDITION:
Defective G sensor
TROUBLE SYMPTOM:
VDC does not operate.
AI: DTC C0056 G SENSOR SIGNAL MALFUNCTION
DTC DETECTING CONDITION:
Defective G sensor
TROUBLE SYMPTOM:
VDC does not operate.
Step Check Yes No
1CHECK G SENSOR OUTPUT.
1) Connect the Subaru Select Monitor to the
vehicle.
2) Select {Current Data Display & Save} in
Subaru Select Monitor.
3) Read the G sensor output when braking.
Do the values on the monitor
display change?
Go to step 2.Replace the yaw
rate & G sensor.
2CHECK THE VDCCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the
VDCCM&H/U.
Go to step 3.
3CHECK OTHER DTC DETECTION.Is any other DTC displayed? Perform the diag-
nosis according to
DTC.
Te m p o r a r y p o o r
contact occurs.
Step Check Yes No
1CHECK YAW RATE & G SENSOR INSTAL-
LATION.
Check the yaw rate & G sensor installation.
Are the yaw rate & G sensor
and bracket tightened to a
torque of 7.5 N·m (0.76 kgf-m,
5.5 ft-lb)?
Go to step 2.Tighten the yaw
rate & G sensor.
2CHECK G SENSOR OUTPUT.
1) Connect the Subaru Select Monitor to the
vehicle.
2) Select {Current Data Display & Save} in
Subaru Select Monitor.
3) Read the G sensor output displayed on
screen.
Is the value on the monitor dis-
play –1.5 — 1.5 m/s2?
Go to step 3.Replace the yaw
rate & G sensor.
3CHECK THE VDCCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the
VDCCM&H/U.
Go to step 4.
4CHECK OTHER DTC DETECTION.Is any other DTC displayed? Perform the diag-
nosis according to
DTC.
Te m p o r a r y p o o r
contact occurs.