P1730
P1730 A/T INTERLOCKDescription
Fail-safe function to detect interlock conditions.
DTC Logic
DTC DETECTION LOGIC
P1730:
NOTE: When the vehicle is driven fixed in 2nd gear, a turbine revolution sensor malfunction is displayed, but this is not a turbine revolution sensor malfunction.
DTC CONFIRMATION PROCEDURE
NOTE: If "DTC CONFIRMATION PROCEDURE" has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
1. CHECK DTC DETECTION
With CONSULT-III
1. Start the engine.
2. Select "DATA MONITOR".
3. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
SLCT LVR POSI: "D" position
With GST
Follow the procedure "With CONSULT-III".
Is "P1730 A/T INTERLOCK" detected?
YES >> Go to TM-151, "Diagnosis Procedure".
NO >> Check Intermittent incident. Refer to, "Intermittent Incident". Testing and Inspection
Judgment of A/T Interlock
Refer to TM-187, "Fail-Safe". Fail-Safe
Diagnosis Procedure
1. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to, "Diagnosis Procedure".
Is the inspection result normal?
YES >> Replace the control valve with TCM.
NO >> Repair or replace damaged parts.