B1581
DTC B1581
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Start engine and operate A/C system.
DTC Troubleshooting
1. DTC check
Push engine switch to change ignition mode to "ON".
Push engine switch to change ignition mode to "OFF".
Push engine switch to change ignition mode to "ON" and check DTC.
Is DTC B1581 still detected?
YES
Replace auto A/C panel and recheck DTC.
NO
Intermittent trouble.