Dtc B1514: Air Flow Control Actuator And/Or Its Circuit Malfunction - Suzuki Grand Vitara 2011 Manual

DTC B1514: Air Flow Control Actuator and/or Its Circuit Malfunction

Wiring Diagram
2
M GRY/RED
GRY/BLK
RED/WHT
WHT/BLU
BLK/RED
[A]: HVAC control module connector "G52" (harness side view)
1. HVAC control module
2. Air flow control actuator
DTC Detecting Condition and Trouble Area
Difference between target opening and actual opening is more than specified
value even though air flow control actuator has operated for 15 seconds.
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start A/C system and select mode selector at "DEF" position.
4) Select mode selector at "FOOT" position and wait for 1 minute.
5) Check DTC.
DTC Troubleshooting
Step
1 DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch and check DTC.
Is there DTC B1512?
2 Visual check
1) Check if there is any obstruction in operating range of
actuator linkage and if actuator linkage operates
smoothly.
Is it in good condition?
1
12V
3
G52-29
G52-30
5V
5V
G52-14
G52-23
G52-13
4
DTC Detecting Condition
Action
Air Conditioning System:
[A]
14 13
30 29 23
3. To other actuators
4. To other sensors
• Air flow control actuator circuit
• Air flow control linkage
• Air flow control actuator
• HVAC unit
• HVAC control module
Yes
Go to applicable DTC
diag. flow.
Go to Step 3.
7B-48
S6JB0A7204018
I5JB0A720026-01
Trouble Area
No
Go to Step 2.
Obstruction in operating
range of actuator
linkage, actuator linkage
faulty and/or internal
fault of HVAC unit.