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OBD0480A
10BK3
CHECK INHIBITOR SWITCH.
Measure resistance between transmission harness con-
nector receptacle’s terminals.
: Connector & terminal
(T3) No. 12—No. 11:
Is the resistance less than 1Ωin“N”and
“P”positions?
: Go to next.
: Repair open circuit in transmission harness or
replace inhibitor switch.
: Connector & terminal
(T3) No. 12—No. 11:
Is the resistance more than 1 MΩin other
positions?
: Go to next.
: Repair short circuit in transmission harness or
replace inhibitor switch.
: Is there any fault in selector cable connec-
tion to inhibitor switch?
: Repair selector cable connection.
[W2B2].>
: Replace ECM.
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OBD0481
BL: DTC P1102
—PRESSURE SOURCES SWITCHING
SOLENOID VALVE CIRCUIT MALFUNCTION
(BR)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Erroneous idling
Failure of engine to start
10BL1Check output signal from ECM.
10BL2Check harness between ECM and pressure
sources switching solenoid valve connector.
10BL3Check harness between ECM and pressure
sources switching solenoid valve connector.
10BL4Check pressure sources switching solenoid
valve.
10BL5Check power supply to pressure sources
switching solenoid valve.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODE.
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WIRING DIAGRAM:
LHD Model
B2M0534
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10. Diagnostics Chart with Trouble Code
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WIRING DIAGRAM:
RHD Model
B2M0786
B2M0596A
10BL1
CHECK OUTPUT SIGNAL FROM ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 15 (+)—Chassis ground ( ):
Is the voltage more than 10 V?
: Go to step10BL2.
: Go to step10BL3.
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B2M0596A
10BL2CHECK HARNESS BETWEEN ECM AND
PRESSURE SOURCES SWITCHING
SOLENOID VALVE CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from pressure sources switching
solenoid valve.
3) Turn ignition switch to ON.
4) Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 15 (+)—Chassis ground ( ):
Is the voltage more than 10 V?
: Repair short circuit in harness between ECM and
pressure sources switching solenoid valve con-
nector and replace ECM.
: Go to next step 5).
OBD0485
5) Turn ignition switch to OFF.
6) Measure resistance between pressure sources switch-
ing solenoid valve connector terminals.
: Terminals
No. 1—No. 2:
Is the resistance less than 1Ω?
: Replace pressure sources switching solenoid
valve and ECM.
: Go to next.
: Is there poor contact in ECM connector?
: Repair poor contact in ECM connector.
: Replace ECM.
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10. Diagnostics Chart with Trouble Code
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OBD0488A
10BL3CHECK HARNESS BETWEEN ECM AND
PRESSURE SOURCES SWITCHING
SOLENOID VALVE CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from pressure sources switching
solenoid valve and ECM.
3) Measure resistance of harness between pressure
sources switching solenoid valve connector and engine
ground.
: Connector & terminal
(B1) No. 1—Engine ground:
Is the resistance less than 10Ω?
: Repair short circuit in harness between ECM and
pressure sources switching solenoid valve con-
nector.
: Go to next step 4).
B2M0597A
4) Measure resistance of harness between ECM and pres-
sure sources switching solenoid valve connector.
: Connector & terminal
(B84) No. 15—(B1) No. 1:
Is the resistance less than 1Ω?
: Go to step10BL4.
: Repair open circuit in harness between ECM and
pressure sources switching solenoid valve con-
nector.
OBD0485
10BL4CHECK PRESSURE SOURCES SWITCH-
ING SOLENOID VALVE.
Measure resistance between pressure sources switching
solenoid valve connector terminals.
: Terminals
No. 1—No. 2:
Is the resistance between 10 and 100Ω?
: Go to step10BL5.
: Replace pressure sources switching solenoid
valve.
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OBD0676A
10BL5CHECK POWER SUPPLY TO PRESSURE
SOURCES SWITCHING SOLENOID
VA LV E .
1) Turn ignition switch to ON.
2) Measure voltage between pressure sources switching
solenoid valve harness connector and engine ground.
: Connector & terminal
(B1) No. 2 (+)—Engine ground ( ):
Is the voltage more than 10 V?
: Go to next.
: Repair open circuit in harness between main relay
and pressure sources switching solenoid valve
connector.
: Is there poor contact in pressure sources
switching solenoid valve connector?
: Repair poor contact in pressure sources switching
solenoid valve connector.
: Contact with SOA service.
NOTE:
Inspection by DTM is required, because probable cause is
deterioration of multiple parts.
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OBD0489
BM: DTC P1103
—ENGINE TORQUE CONTROL SIGNAL
CIRCUIT MALFUNCTION (TRQ)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Excessive shift shock
10BM1Check input signal for ECM.
10BM2Check harness between ECM and TCM
connector.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
B2M0598
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10. Diagnostics Chart with Trouble Code