When the horn does not sound and the hybrid system cannot be started
Cause Remedy
The 12-volt battery
may be discharged.
Restarting the hybrid system using the jumper (or booster)
cables.
Contact any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer if the problem cannot be
repaired, or if repair procedures are unknown.
One or both of the
12-volt battery ter-
minals may be dis-
connected.
Check if a 12-volt battery terminal is loose.
Contact any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer if the problem cannot be
repaired, or if repair procedures are unknown.
The steering lock
system may be mal-
functioning.
Contact any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Related Links
If the vehicle 12-volt battery is discharged(P. 696)
Restarting the hybrid system when the 12-volt battery is discharged(P. 726)
If the vehicle 12-volt battery is discharged(P. 696)
9-3. If the hybrid system will not start
705
9
When trouble arises
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