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Dtc B1513: Temperature Control Actuator (Motor) And/Or Its Circuit Malfunction - Suzuki SX4 Service Manual

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Step
5
Position sensor of temperature control actuator power
supply voltage check
1) Turn ignition switch to OFF position.
2) Disconnect connector from temperature control actuator.
3) Turn ignition switch to ON position.
4) Measure voltage between.
• Position sensor power supply terminal and position
sensor ground terminal of air flow control actuator
connector
• Position sensor signal terminal and position sensor
ground terminal of air flow control actuator connector
Is voltage 4.5 – 5.5 V?

DTC B1513: Temperature Control Actuator (Motor) and/or Its Circuit Malfunction

Wiring Diagram
2
[D]
GRY/BLU
GRY/RED
3
4
[D]: Temperature control actuator motor drive circuit
1. HVAC control module
DTC Detecting Condition and Trouble Area
Motor of temperature control actuator does not move longer than specified
time.
DTC Troubleshooting
Step
1
Was "Air Conditioning System Check" performed?
2
DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ignition switch to ON position and check DTC.
Is DTC B1511 detected together?
3
Visual Check
Check if there is any obstruction in operating range of
actuator linkage and if actuator linkage operates smoothly.
Is it in good condition?
Action
1
12V
G20-1
G20-2
5V
5V
WHT
G20-12
YEL
G20-27
ORN
G20-24
DTC Detecting Condition
Action
Air Conditioning System: Automatic Type 7B-63
Check temperature
control actuator and its
circuit.
14
13
12
11
10
9
8
30
29
28
27
26
25
24
2. Temperature control actuator
3. To air flow control actuator
Go to Step 2.
Go to "DTC B1511:
Temperature Control
Actuator (Position
Sensor) and/or Its
Circuit Malfunction:
Automatic Type".
Go to Step 4.
Yes
Substitute a known-
good HVAC control
module and recheck.
G20
7
6
5
4
3
23
22
21
20
19
18
17
4. To other sensors
Trouble Area
• Temperature control actuator circuit
• Temperature control linkage
• Temperature control actuator
• HVAC unit
• HVAC control module
Yes
Go to "Air Conditioning
System Check:
Automatic Type".
Go to Step 3.
Obstruction in operating
range of actuator
linkage, actuator linkage
faulty and/or internal
fault of HVAC unit.
No
S7RW0A7224015
2
1
16
15
I6RW0C722006-02
No

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