ANTITHEFT SYSTEM 11B – 41
DTC 16 Door Lock Actuators Short Circuit to Ground
Step Action Value (s) Yes No
1
2
3
4Was the Antitheft System Check
performed?
Check the door lock actuators circuit.
1. Key position is “OFF”.
2. Disconnect the antitheft control unit (ACU).
3. Check the door lock actuator circuit for short
to ground.
If the problem found, repair as necessary.
Was a problem found?
Recheck the DTC.
1. Key position is “OFF” and keep the position
for more than 30 seconds.
2. Key position is “ON”.
3. Check the DTC on the Tech-2.
Is DTC 16 stored?
Replace the antitheft control unit (ACU).
IMPORTANT: The replacement ACU must be
programmed the security data by the Tech-2.
Was the action complete?—
—
—
—Go to Step 2
Verify repair
Go to Step 5
Verify repairGo to antitheft
System Check
Go to Step 3
Verify repair
—
11B – 42 ANTITHEFT SYSTEM
DTC 20 Broken wire to door lock actuators
Step Action Value (s) Yes No
1
2
3
4
5Was the Antitheft System Check
performed?
Recheck the DTC.
1. Key position is “OFF”.
2. Install the Tech-2 on vehicle.
3. Key position is “ON”.
4. Check the DTC on the Tech-2.
Is DTC 20 stored?
Check the door lock actuator circuit.
1. Key position is “OFF”.
2. Disconnect the antitheft control unit (ACU).
3. Disconnect the door lock motor.
4. Check the antitheft/door lock motor line
circuit for an open, short to ground.
Also, check the ignition feed circuits for an
open or short to ground and the ACU ground
circuit for an open.
Was a problem found?
Repair or replace the antitheft/door lock motor
circuit.
Was the action complete?
Replace the antitheft control unit (ACU).
IMPORTANT: The replacement ACU must be
programmed the security data by the tech2.
Was the action complete?—
—
—
—
—Go to Step 2
Go to Step 3
Go to Step 4
Verify repair
Verify repairGo to antitheft
System Check
Refer to
Diagnostic Aids
Go to Step 5
—
—