• The battery must be in good condition and fully charged for this troubleshooting.

| Trouble symptom | Probable cause | Remedy |
| Engine will not crank | Battery charge low | Charge or replace battery |
| Battery cables loose, corroded or worn out | Repair or replace cables | |
| Transaxle range switch (Vehicle with automatic transaxle only) | Refer to AT group-automatic transaxle | |
| Fuse blown | Replace fuse | |
| Starter motor faulty | Replace | |
| Ignition switch faulty | Replace | |
| Engine cranks slowly | Battery charge low | Charge or replace battery |
| Battery cables loose, corroded or worn out | Repair or replace cables | |
| Starter motor faulty | Replace | |
| Starter keeps running | Starter motor faulty | Replace |
| Ignition switch | Replace | |
| Starter spins but engine will not crank | Short in wiring | Repair or replace wiring |
| Pinion gear teeth broken or starter motor | Replace | |
| Ring gear teeth broken | Replace fly wheel or torque converter |
Description and Operation
StarterHyundai Tucson (NX4) 2022-2026 Service Manual: Components and Components Location
- Component Location (1)
1. Integrated body control unit (IBU)2. Interior antenna 23. Door outside handle4. Interior antenna 15. Front antenna6. Buzzer7. Door antenna
- Component Location (2)
1. Liftgate antenna2. Rear bumper antenna3. Liftgate open switch
...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Heater & A/C Control Unit (DATC)
- Components
Connector Pin Function
Pin NoConnector A
1Battery (+)
2IGN2
3IGN1
4Local CAN (High)
5Local CAN (Low)
6In-car sensor (+)
7-
8Sensor ground
9ISG B+
10ILL+ (TAIL)
11-
12-
13-
14-
15ILL- (RHEO)
16Ground
- Self Diagnosis
1.Self-diagnosis process.
&n ...