P0743

JATCO Fault P0743 - Lockup Duty solenoid

P0743 - Lock up duty solenoid short circuit to ground or battery.

Possible causes:
1. Open Circuit C932/16(U) to C243/17(U).
2. Short Circuit C243/17(U) to Battery.
3. Short Circuit C243/17(U) to Ground.
4. Connectors C243 and C932.
5. Lockup Duty solenoid.
6. JATCO ATCU ECU.

1. Open Circuit C932/16(U) to C243/17(U).
OPEN_CIRCUIT
Check resistance > 1M Ohms.

2. Short Circuit C243/17(U) to Battery.
SHORT_CIRCUIT
Check resistance < 5.0 Ohms.

3. Short Circuit C243/17(U) to Ground.
SHORT_CIRCUIT
Check resistance < 5.0 Ohms.

4. Connectors C243 and C932.
CONNECTOR
Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

5. Lockup Duty solenoid.
No detail available for this fault

6. JATCO ATCU ECU.
No detail available for this fault