DTC DETECTION LOGIC

DTC | Items (CONSULT-III screen terms) | Diagnostic item is detected when... | Possible causes
B2632 | DR AIR MIX ACTR SHORT | Air mix door PBR (driver side) position 95% or less |

- Air mix door motor (driver side) (PBR internal circuit is shorted)
- A/C auto amp.
- Harness and connector
  (LAN communication line is open or shorted)

B2633 | DR AIR MIX ACTR OPEN | Air mix door PBR (driver side) position 5% or more |

- Air mix door motor (driver side) (PBR internal circuit is open)
- A/C auto amp.
- Harness and connector
  (LAN communication line is open or shorted)

DTC CONFIRMATION PROCEDURE
1.PERFORM SELF-DIAGNOSIS
With CONSULT-III

1. Perform the “SELF-DIAGNOSIS”.
2. Check if any DTC is detected in the self-diagnostic results.

NOTE：
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to DTC Logic or DTC Logic.
Is DTC “B2632” or “B2633” displayed?
YES>>Perform the diagnosis of air mix door motor system (driver side). Refer to Diagnosis Procedure.
NO>>GO TO 2.
2.FUNCTION INSPECTION

1. Turn temperature dial (driver side) and raise temperature setting to 32.0°C (90°F) after warming up the engine.
2. Check that warm air blows from outlets.
3. Operate the compressor.
4. Operate the temperature control dial (driver side) and lower the set temperature to 18.0°C (60°F).
5. Check that the cool air blows from the outlets.

Does it operate normally?
YES>>INSPECTION END
NO>>Check the air mix door motor system (driver side) installation condition. Repair or replace the malfunctioning parts.