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OBD0488A
4
CHECK HARNESS CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from pressure sources switching
solenoid valve and ECM.
3) Measure resistance of harness connector between
pressure sources switching solenoid valve and body.
: Connector & terminal
(B1) No. 1—Body / 10Ω, or less
: Repair short circuit of harness between ECM con-
nector and pressure sources switching solenoid
valve connector.
: Go to next step.
OBD0685A
4) Measure resistance of harness connector between
ECM and pressure sources switching solenoid valve.
: Connector & terminal
(B84) No. 58—(B1) No. 1 / 10Ω, or less
: Go to step 5.
: Repair open circuit of harness between ECM con-
nector and pressure sources switching solenoid
valve connector.
OBD0485
5CHECK PRESSURE SOURCES SWITCHING
SOLENOID VALVE.
Measure resistance between pressure sources switching
solenoid valve connector terminals.
: Terminals
No. 1—No. 2 / 10—100Ω
: Go to step 6.
: Replace pressure sources switching solenoid
valve.
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OBD0676A
6CHECK POWER SUPPLY TO PRESSURE
SOURCES SWITCHING SOLENOID VALVE.
1) Turn ignition switch to ON.
2) Measure voltage between pressure sources switching
solenoid valve harness connector and body.
: Connector & terminal
(B1) No. 2—Body / 10 V, or more
: Confirm good connection at pressure sources
switching solenoid valve connector.
: Repair open circuit of harness between main relay
connector and pressure sources switching sole-
noid valve connector.
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OBD0489
BG: DTC P1103
—ENGINE TORQUE CONTROL SIGNAL
CIRCUIT MALFUNCTION (TRQ)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Excessive shift shock
1.Check input signal for ECM.
2.Check harness connector between ECM and
TCM.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
[T3D0] and [T3E0].>
WIRING DIAGRAM:
OBD0490
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OBD0491A
1
CHECK INPUT SIGNAL FOR ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and body.
: Connector & terminal
(B84) No. 49—Body / 4.5V, or more
: 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.
OBD0492B
2CHECK HARNESS CONNECTOR BETWEEN
ECM AND TCM.
1) Turn ignition switch to OFF.
2) Disconnect connectors from ECM and TCM.
3) Measure resistance of harness connector between
ECM and TCM.
: Connector & terminal
(B84) No. 49—(B55) No. 16 / 10Ω, or less
: Go to next step.
: Repair open circuit of harness between ECM con-
nector and TCM connector.
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OBD0493A
4) Measure resistance of harness connector between
ECM and body.
: Connector & terminal
(B84) No. 49—Body / 1 MΩ, or more
: Go to next.
: Repair short circuit of harness between ECM con-
nector and TCM connector.
: Is there poor contact in TCM connector?
: Repair poor contact in TCM connector.
: Replace TCM with a new one.
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OBD0494
BH: DTC P1104
—TCS SIGNAL CIRCUIT MALFUNCTION
(TCS)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
No operation TCS
TCS warning light remains illuminated.
1.Check if the vehicle is equipped with TCS.
2.Check output signal from ECM.
3.Check harness connector.
4.Check ECM connector.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
[T3D0] and [T3E0].>
WIRING DIAGRAM:
OBD0495
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1CHECK IF THE VEHICLE IS EQUIPPED WITH
TCS.
: Is the vehicle equipped with TCS?
: Go to step 4.
: Go to step 2.
OBD0497A
2
CHECK OUTPUT SIGNAL FROM ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM connector and body.
: Connector & terminal
(B84) No. 34—Body / 2 V, or more
: Repair poor contact in ECM connector.
: Go to step 3.
OBD0499A
3
CHECK HARNESS CONNECTOR.
1) Turn ignition switch to OFF.
2) Remove front passenger side seat.
3) Tear off the floor mat.
4) Disconnect connectors from ECM and TCS C/M.
5) Measure resistance between ECM harness connector
and body.
: Connector & terminal
(B84) No. 34—Body / 10Ω, or less
: Repair short circuit of harness between ECM con-
nector and TCS C/M connector.
: Go to next step.
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OBD0498A
6) Measure resistance of harness connector between
ECM and TCS C/M.
: Connector & terminal
(B84) No. 34—(P6) No. 4 / 10Ω, or less
:Open circuit of harness between ECM connec-
tor and TCS C/M connector
Poor contact in ECM connector
Poor contact in TCS C/M connector
Check above points and repair if necessary.
: Go to next step.
OBD0497A
7) Turn ignition switch to ON.
8) Measure voltage between ECM connector and body.
: Connector & terminal
(B84) No. 34—Body/2 V, or more
: Repair short circuit of harness between ECM and
TCS C/M connector.
: Repair poor contact in TCS C/M connector.
OBD0500A
4
CHECK ECM CONNECTOR.
1) Turn ignition switch to ON.
2) Measure voltage between ECM connector and body.
: Connector & terminal
(B84) No. 74—Body / 2 V, or more
: Repair open circuit of harness between ECM con-
nector and body.
: Repair poor contact in ECM connector.
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