The quick charging contactor in the main battery is controlled by the quick charger. The
EV-ECU also controls the quick charging relay that supplies the power to the quick charger contactor
coil and monitors this quick charging relay coil drive circuit.
DIAGNOSIS CODE SET CONDITIONS
When the quick charging relay coil drive circuit monitor
is set to ON while the quick charging relay stop command is underway, the diagnosis code No.
P1A14 will be set.
When the quick charging relay coil drive circuit monitor is set to OFF while the
quick charging relay drive command is underway, the diagnosis code No. P1B0A will be set.
PROBABLE CAUSES
Damaged wiring harness or connector(s)
Malfunction of the quick charging relay
Malfunction of the EV-ECU
DIAGNOSIS PROCEDURE
STEP 1. Measure the voltage at C-105 quick charging relay
connector.
(1)Disconnect the on quick charging relay, and measure the voltage at the wiring harness side.
(2)Turn the electric motor switch to the "ON" position.
(3)Measure the voltage between the C-105 quick charging relay connector terminal No.
2 and the body earth. OK: Battery voltage
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Go to Step 4.
Go to Step 2.
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