Operation CHARM: Car repair manuals for everyone.

P0AA1 / INF233

P0AA1-233

Description
Refer to the description for DTC P0AE6-225 (See HBC-452, "Description"). P0AE6 This circuit uses the hybrid vehicle control ECU to monitor the system main relays and stops the system if a malfunction is detected in the relays, because it may be impossible to shut off the high-voltage system if any of the relays becomes stuck.

DTC Logic

DTC Detection Logic






Diagnostic Procedure

Step 1-2:




Step 2 (Continued)-3: