DESCRIPTION
This sensor detects the position of the mode damper and sends the appropriate signals to the air conditioning amplifier assembly. The position sensor is built into the No. 1 air conditioning radiator damper servo sub-assembly (for mode switching).
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B1433/33 |
Short to ground or power source circuit mode damper position sensor circuit. |
|
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Operate the mode switch.
(e) Enter the following menus: Body Electrical / Air Conditioner / Data List.
(f) Check the value(s) by referring to the table below.
Air Conditioner
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Air Outlet Damper Position |
Mode damper servo motor actual position / Min.: -14.0% Max.: 113.5% |
FACE: 0.0% DEF: 100.0% |
- |
Air Outlet Damper Target |
Mode damper servo motor target position / Min.: -14.0% Max.: 113.5% |
FACE: 0.0% DEF: 100.0% |
- |
OK:
The display is as specified in the Normal Condition column.
Result |
Proceed to |
---|---|
NG |
A |
OK (When troubleshooting according to Problem Symptoms Table) |
B |
OK (When troubleshooting according to the DTC) |
C |
B | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
C | ![]() |
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
|
2. |
INSPECT NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (FOR MODE SWITCHING) |
(a) Remove the No. 1 air conditioning radiator damper servo sub-assembly (for
mode switching) (See page ).
(b) Inspect the No. 1 air conditioning radiator damper servo sub-assembly (for
mode switching) (See page ).
NG | ![]() |
REPLACE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (FOR MODE SWITCHING) |
|
3. |
CHECK HARNESS AND CONNECTOR (NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY) |
(a) Disconnect the D32 No. 1 air conditioning radiator damper servo sub-assembly (for mode switching) connector.
(b) Disconnect the A35 air conditioning amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D32-3 (S5) - A36-30 (S5-5) |
Always |
Below 1 Ω |
D32-2 (TPM) - A35-3 (TPO) |
Always |
Below 1 Ω |
D32-1 (SG) - A35-19 (SG-6) |
Always |
Below 1 Ω |
D32-3 (S5) or A36-30 (S5-5) - Body ground |
Always |
10 kΩ or higher |
D32-2 (TPM) or A35-3 (TPO) - Body ground |
Always |
10 kΩ or higher |
D32-1 (SG) or A35-19 (SG-6) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DRIVE BELT
(a) Visually check the belt for defects, such as excessive wear and frayed cords.
If any defects are found, replace the drive belt.
HINT:
Replace the belt if there are any missing ribs.
2. BLEED POWER STEERING SYSTEM
(a) Check the fluid ...
Air Mix Damper Control Servo Motor Circuit (Driver Side) (B1446/46)
DESCRIPTION
This No. 3 air conditioning radiator damper servo sub-assembly (for driver side
air mix) is controlled by the air conditioning amplifier assembly and moves the
air mix damper (for driver side) to the desired position.
DTC No.
DTC Detection Condition
...
Power Source Circuit
DESCRIPTION
This circuit provides power to operate the blind spot monitor sensor.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedure.
PROCEDURE
1.
CHECK HARNESS AN ...