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OBD0376
AR: DTC P0601
—INTERNAL CONTROL MODULE MEMORY
CHECK SUM ERROR (RAM)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Engine does not start.
Engine stalls.
10AR1Check DTC P0601 on display.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
LHD Model
B2M0519
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WIRING DIAGRAM:
RHD Model
B2M0798
10AR1
CHECK DTC P0601 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0601?
: Replace ECM.
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10. Diagnostics Chart with Trouble Code
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B2M0655
AS: DTC P0703
—BRAKE SWITCH INPUT MALFUNCTION
(ATBRK)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
10AS1Check operation of brake light.
10AS2Check harness between TCM and brake light
switch connector.
10AS3Check input signal for TCM.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
OBD0587
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10AS1
CHECK OPERATION OF BRAKE LIGHT.
: Does brake light come on when depressing
the brake pedal?
: Go to step10AS2.
: Repair or replace brake light circuit.
OBD0589A
10AS2CHECK HARNESS BETWEEN TCM AND
BRAKE LIGHT SWITCH CONNECTOR.
1) Disconnect connectors from TCM and brake light
switch.
2) Measure resistance of harness between TCM and
brake light switch connector.
: Connector & terminal
(B56) No. 7—(B64) No. 2:
(B56) No. 7—(B65) No. 3 (With cruise con-
trol):
(B56) No. 7—(B67) No. 2 (With traction
control):
Is the resistance less than 1Ω?
: Go to next step 3).
: Repair or replace harness and connector.
NOTE:
In this case, repair the following:
Open circuit in harness between TCM and brake light
switch connector
Poor contact in TCM connector
Poor contact in brake light switch connector
OBD0590A
3) Measure resistance of harness between TCM and
chassis ground.
: Connector & terminal
(B56) No. 7—Chassis ground:
Is the resistance more than 1 MΩ?
: Go to step10AS3.
: Repair short circuit in harness between TCM and
brake light switch connector.
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OBD0588A
10AS3
CHECK INPUT SIGNAL FOR TCM.
1) Connect connectors to TCM and brake light switch.
2) Measure voltage between TCM and chassis ground.
: Connector & terminal
(B56) No. 7 (+)—Chassis ground ( ):
Is the voltage less than 1 V when releasing
the brake pedal?
: Go to next.
: Adjust or replace brake light switch.
OBD0588A
: Connector & terminal
(B56) No. 7 (+)—Chassis ground ( ):
Is the voltage more than 10 V when
depressing the brake pedal?
: Go to next.
: Adjust or replace brake light switch.
: Is there poor contact in TCM connector?
: Repair poor contact in TCM connector.
: Replace TCM.
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B2M0656
AT: DTC P0705
—TRANSMISSION RANGE SENSOR CIRCUIT
MALFUNCTION (ATRNG)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Starter does not rotate when selector lever is in“P”or
“N”range.
Starter rotates when selector lever is in“R”,“D”,“3”,“2”
or“1”range.
Engine brake is not effected when selector lever is in“3”
range.
Shift characteristics are erroneous.
10AT1Check harness between TCM and inhibitor
switch connector.
10AT2Check inhibitor switch.
10AT3Check input signal for TCM.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
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WIRING DIAGRAM:
B2M0767
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OBD0596A
10AT1CHECK HARNESS BETWEEN TCM AND
INHIBITOR SWITCH CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connectors from TCM and transmission.
3) Measure resistance of harness between TCM and
transmission harness connector.
: Connector & terminal
(B56) No. 9—(B12) No. 3:
Is the resistance less than 1Ω?
: Go to next.
: Repair open circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B56) No. 10—(B12) No. 2:
Is the resistance less than 1Ω?
: Go to next.
: Repair open circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B56) No. 8—(B12) No. 1:
Is the resistance less than 1Ω?
: Go to next.
: Repair open circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B54) No. 1—(B12) No. 8:
Is the resistance less than 1Ω?
: Go to next.
: Repair open circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B54) No. 2—(B12) No. 7:
Is the resistance less than 1Ω?
: Go to next.
: Repair open circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B54) No. 3—(B12) No. 6:
Is the resistance less than 1Ω?
: Go to next.
: Repair open circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B54) No. 4—(B12) No. 5:
Is the resistance less than 1Ω?
: Go to next step 4).
: Repair open circuit in harness between TCM and
transmission harness connector.
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