HYBRID/TROUBLE SHOOTING
3–10
4.
PROCEDURE FOR DELETING THE PERMANENT MALFUNCTION
There are two procedures for deleting the Permanent diagnosis code.
(1)
Procedure for deleting the Permanent diagnosis code after deleting the diagnosis code using the service tool
a.
Turn the starter key "ON".
b.
Delete the diagnosis codes using the service tool.
- Delete diagnosis codes from the following systems.
•
ECU of the HV system in which the Permanent diagnosis code is occurring.
(Deletion of engine ECU must be performed after performing deletion in the order of HV battery ECU
Inverter
HV ECU.)
•
Engine ECU
c.
Set the starter key to the "LOCK" position and wait for 30 seconds or more.
d.
Turn the starter key "ON".
e.
Start the engine.
f.
Idle the engine for 6 minutes or more.
g.
Keep the engine revolution at 1,150 r/min or more for 6 minutes or longer.
h.
Set the starter key to the "LOCK" position and wait for 30 seconds or more.
i.
Turn the starter key "ON".
j.
Start the engine.
k.
Wait for 30 seconds or more.
l.
Set the starter key to the "LOCK" position.
! CAUTION
• Trouble shooting the malfunction is conducted before following the above procedure, therefore the malfunction
does not occur or the malfunction does not occur while following the above procedure.
• The HV warning light must turn off when the diagnosis code is deleted at (b).
When the HV warning light turns off, it is possible to check that there is no malfunction in the HV system.
• Condition to be judged normal for the malfunction occurred in the above steps (d) to (g) must be satisfied.
Condition to be judged normal varies depending on malfunction.
(2)
Procedure for deleting the Permanent diagnosis code in 3DCY
a.
Turn the starter key "ON".
b.
Start the engine.
c.
Idle the engine for 2 minutes or more.
d.
Set the starter key to the "LOCK" position.
e.
Wait for 30 seconds or more.
f.
Repeat the steps from (a) to (e) for 3 times in total (3DCY).
g.
Turn the starter key "ON".
h.
Start the engine.
i.
Wait for 30 seconds or more.
j.
Set the starter key to the "LOCK" position.
! CAUTION
• The above procedure is satisfied when making normal driving operation; therefore the Permanent diagnosis
code may be deleted when making similar driving operation if the malfunction is recovered.
• Trouble shooting the malfunction is conducted before following the above procedure, therefore the malfunction
does not occur or the malfunction does not occur while following the above procedure.
• Condition to be judged normal for the malfunction occurred in the above steps (a) to (d) must be satisfied. Con-
dition to be judged normal varies depending on malfunction.
Confirmed diagnosis code
Permanent diagnosis code
Deletion procedure
None
Present
Deletion using the procedure (1)
Present
Present
Deletion using the procedure (1) or (2)
Present
None
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