COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
TSB Revision
CHASSIS ELECTRICAL
54A-63
STEP 5. Recheck for diagnostic trouble code.
Recheck if the DTC is set.
1. Erase the DTC.
2. Turn the ignition switch to "ON" position.
3. Check if the DTC is set.
Q: Is the check result satisfactory?
YES : A poor connection, open circuit or other intermittent
malfunction is present in the CAN bus lines between
the powertrain control module and the combination
meter (Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points-How to
Cope with Intermittent Malfunction
P.00-6
).
NO : Replace combination meter and then go to Step 6.
STEP 6. Recheck for diagnostic trouble code.
Recheck if the DTC is set.
1. Erase the DTC.
2. Turn the ignition switch to "ON" position.
3. Check if the DTC is set.
Q: Is the check result satisfactory?
YES : The procedure is complete.
NO : Go to Step 1.
DTC U1102: ABS-ECU Time-out
CAUTION
If DTC U1102 is set in the combination meter,
always diagnose the CAN bus lines.
CAUTION
Whenever the ECU is replaced, ensure that the
communication circuit is normal.
.
CIRCUIT OPERATION
Refer to
P.54A-57
.
.
DTC SET CONDITION
The combination meter communicates with the
ABS-ECU through CAN bus lines. If it can not
receive all the necessary signals from the ABS-ECU,
DTC U1102 is set.
.
TECHNICAL DESCRIPTION (COMMENT)
CAUTION
If the ignition switch is turned to the ON position
without starting the engine, DTC (past trouble)
U1100, U1101 and U1102 may be set on the com-
bination meter after one minutes.
Current trouble
• Connector(s) or wiring harness in the CAN bus
lines between the ABS-ECU and the combination
meter, the power supply system to the ABS-ECU,
the ABS-ECU itself, or the combination meter
may be defective.
Past trouble
• Carry out diagnosis with particular emphasis on
connector(s) or wiring harness in the CAN bus
lines between the ABS-ECU and the combination
meter, and the power supply system to the
ABS-ECU. For diagnosis procedures, refer to
"How to cope with past trouble" (Refer to GROUP
00, How to Use Troubleshooting/Inspection Ser-
vice Points
P.00-6
).