TCM FB20-8 - Page 217

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3. TROUBLESHOOTING GUIDE
(18)
308
12
: Contactor coil broken
(Blown fuse)
Resets when the key switch is turned OFF.
① Check the contactor coil.
Repair the contactor.
② Check the F1 fuse.
Replace the F1 fuse, if needed.
③ Check the harness between CN1D-22/CN1D-35 and
CNMC (contactor coil connector) on the drive motor
inverter unit.
Correct the wiring.
④ Replace the drive motor inverter unit.
(19)
309
11
: Contactor coil short-circuited
Resets when the key switch is turned OFF.
① Check the battery cable for proper connection.
(Check for any positive (+) voltage leak on the
contactor secondary side.)
Correct the battery cable.
② Check the contactor coil.
Repair the contactor.
③ Check the harness between CN1D-22/CN1D-35 and
CNMC (contactor coil connector) on the drive motor
inverter unit.
Correct the wiring.
④ Replace the drive motor inverter unit.
(20)
318
86
: Overvoltage (Battery connectors disconnected
during regenerative braking)
Resets when the key switch is turned OFF.
① Check the battery connectors for proper connection.
② Refer to the repair procedure for Error Code 308.
(21)
503
52
: Tire angle sensor defective
Automatically resets when the input returns to
normal.
① Check the tire angle potentiometer connector for
proper connection.
Connect properly.
② Check the harness between the drive motor inverter
unit (CN2D-10, -23, -24) and the tire angle sensor.
Correct the wiring.
③ Check the tire angle potentiometer.
Repair the tire angle potentiometer.
④ Replace the drive motor inverter unit.