B1052–REAR BLEND DOOR CONTROL CIRCUIT/PERFORMANCE (ATC)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
If the A/C Heater Control detects an excessive current draw on the (C53) Rear Mode Door Driver circuit, the
(C54) Rear Blend Door Driver circuit, the (C801) Mode Door 2 Driver circuit, the (C154) Rear Common Door
Driver circuit, or the (C808) Common Door Driver 3 circuit while attempting to drive the Rear Mode Door
Actuator, the Rear Blend Door Actuator, or the Mode Door 2 (Floor to Panel) Actuator. This DTC has a matur-
ing time of 5 seconds and a de-maturing time of 10 seconds. If the DTC’s status changes from active to
stored, it will stay in memory for 100 ignition cycles.
If this DTC is active, refer to B103A–REAR MODE DOOR CONTROL CIRCUIT/PERFORMANCE (ATC) for the
diagnostic test procedure. If this DTC is stored, refer to HVAC System Test (ATC) for stored DTC test pro-
cedures.
B1052–REAR BLEND DOOR CONTROL CIRCUIT/PERFORMANCE (MTC)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
If the A/C Heater Control detects an excessive current draw on any of the door driver circuits while attempting
to drive this actuator. This DTC has a maturing time of 5 seconds and a de-maturing time of 10 seconds. If the
DTC’s status changes from active to stored it will stay in memory for 100 ignition cycles.
If this DTC is active, refer to B104C–BLEND DOOR CONTROL CIRCUIT/PERFORMANCE (MTC) for the diag-
nostic test procedure. If this DTC is stored, refer to HVAC System Test (MTC) for stored DTC test proce-
dures.
HB
HVAC - ELECTRICAL DIAGNOSTICS
24 - 221