Page 1521 of 2248
OBD0473
BE: DTC P1101
—NEUTRAL POSITION SWITCH CIRCUIT
MALFUNCTION [AT VEHICLES] (N
—SW)—
DESCRIPTION:
Refer to“AN: DTC P0705—TRANSMISSION RANGE
SENSOR CIRCUIT MALFUNCTION—[T11AN0]”.
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Erroneous idling
1.Check input signal for ECM.
2.Check harness connector between ECM and
inhibitor switch.
3.Check inhibitor switch.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
[T3D0] and [T3E0].>
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Page 1522 of 2248
WIRING DIAGRAM:
B2M0629
OBD0468A
1
CHECK INPUT SIGNAL FOR ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and body.
: Connector & terminal
(B84) No. 78—Body / 0 V (“N”and“P”
positions)
(B84) No. 78—Body / 5.0±0.5 V
(Other positions)
Go to next.
: Go to step 2.
: Is there poor contact in ECM connector?
: Repair poor contact in ECM connector.
: Replace ECM with a new one.
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Page 1523 of 2248
OBD0477A
2CHECK HARNESS CONNECTOR BETWEEN
ECM AND INHIBITOR SWITCH.
1) Turn ignition switch to OFF.
2) Disconnect connectors from ECM and transmission.
3) Measure resistance of harness connector between
ECM and transmission.
: Connector & terminal
(B84) No. 78—(B12) No. 12 / 10Ω, or less
: Repair open circuit of harness between ECM con-
nector and transmission connector.
: Go to next step.
OBD0471A
4) Measure resistance of harness connector between
ECM and body.
: Connector & terminal
(B84) No. 78—Body / 1 MΩ, or more
: Repair short circuit of harness between ECM con-
nector and transmission connector.
: Go to next step.
OBD0479A
5) Measure resistance of harness connector between
inhibitor switch and body.
: Connector & terminal
(B12) No. 11—Body / 10Ω, or less
: Go to step 3.
: Repair open circuit of inhibitor switch ground line.
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Page 1524 of 2248
OBD0480A
3
CHECK INHIBITOR SWITCH.
Measure resistance between transmission connector
receptacle’s terminals.
: Connector & terminal
(T3) No. 12—No. 11 / 10Ω, or less
(“N”and“P”positions)
(T3) No. 12—No. 11 / 1 MΩ, or more
(Other positions)
: Go to next.
: Replace inhibitor switch.
: Is there any fault in selector cable connec-
tion to inhibitor switch?
: Repair selector cable connection.
[W2B2].>
: Replace ECM with a new one.
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Page 1525 of 2248
OBD0481
BF: DTC P1102
—PRESSURE SOURCES SWITCHING
SOLENOID VALVE CIRCUIT MALFUNCTION
(BR)—
DESCRIPTION:
Refer to“D: DTC P0105—PRESSURE SENSOR CIR-
CUIT MALFUNCTION—[T11D0]”.
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Erroneous idling
Failure of engine to start
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Page 1526 of 2248
1.Check transmission type.
AT
MT
Check AT/MT identification circuit.
2.Check output signal from ECM.
3.Check harness connector.
4.Check harness connector.
5.Check pressure sources switching solenoid
valve.
6.Check power supply to pressure sources
switching solenoid valve.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODE.
[T3D0] and [T3E0].>
WIRING DIAGRAM:
LHD model
OBD0156
320
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Page 1527 of 2248
WIRING DIAGRAM:
RHD model
B2M0449
1
CHECK TRANSMISSION TYPE.
Refer to flow chart on page 320.
OBD0484A
2
CHECK OUTPUT SIGNAL FROM ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and body.
: Connector & terminal
(B84) No. 58—Body / 10 V, or more
: Go to step 3.
: Go to step 4.
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OBD0484A
3
CHECK HARNESS 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 body.
: Connector & terminal
(B84) No. 58—Body / 10 V, or more
: Repair short circuit of harness between ECM con-
nector and pressure sources switching solenoid
valve connector and replace ECM.
: Go to next step.
OBD0485
5) Turn ignition switch to OFF.
6) Measure resistance between pressure sources switch-
ing solenoid valve terminals.
: Terminals
No. 1—No. 2/1Ω, or less
: 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 with a new one.
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11. Diagnostics Chart with Trouble Code