Hyundai Santa Fe: Automatic Transaxle Control System / Position Switch. Troubleshooting

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Automatic Transaxle System (SBC) / Automatic Transaxle Control System / Position Switch. Troubleshooting

Fault Diagnosis
▶ Fault Diagnosis for Symptom
Major Symptom
Expected Cause
Items to Check and Measures
Shift lever inoperable
Faulty shift cable tension
Adjust shift cable tension
(refer to "Automatic Transaxle System – Position Switch")
Faulty shift cable assembly/connection
Check manual control valve assembly and re-assemble if necessary.
Faulty shift cable bracket installation
Check cable installation on the shift lever assembly and repair if necessary.
Shock when shifting to and from D/R

Motor run-up when shifting to and from D/R
Faulty inhibitor switch "N" setting
Use the "N" setting jig and adjust the "N" setting.
(refer to "Automatic Transaxle System – Position Switch")
Faulty oil pressure in the valve body.
Replace valve body assembly or inspect/replace transaxle assembly
Faulty engine start

Current gear not indicated in the Cluster

Warning Lamp ON

Engine stall while stopped

Creeping not possible

Auto parking release disabled
Faulty CAN terminating resistance/circuit
Check PCU/battery management system module.
Check PCU wiring connector conn ction.
Faulty power supply (IG.1) to inhibitor switch circuit
Check for gap on the junction box power terminal in the engine compartment and fuse (TCU2) connection. Repair terminal or exchange junction box if necessary.
Faulty inhibitor switch circuit fuse
Check fuse and junction box terminal, and repair.
Faulty inhibitor switch wiring connector
Check for foreign substance in the wiring connector, and check for gap on the terminal.
Check sealing on unused pin, and check for corrosion on the terminal.
Faulty reverse lamp circuit
Check reverse lamp ground, and reassemble if necessary.
Faulty inhibitor switch wiring ground
Check wiring ground, and reassemble if necessary.
Faulty inhibitor switch circuit
(unused code)
Inspect in accordance with the inspection flow, then replace inhibitor switch if necessary.
Faulty inhibitor switch operation
(faulty mid-range)
Inspect in accordance with the inspection flow, then replace inhibitor switch if necessary.

    Position Switch. Description and operation

    Description • The position switch mounted on the upper of transaxle and connected with shifter lever. • The position switch has four points of contact and it makes the signals(S1, S2, S3, S4)...

    Position Switch. Specifications

    ..

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    Categories

    Air bag collision sensors

    WARNING

    To reduce the risk of an air bag deploying unexpectedly and causing serious injury or death:

    Do not hit or allow any objects to impact the locations where air bags or sensors are installed. Do not perform maintenance on or around the air bag sensors. If the location or angle of the sensors is altered, the air bags may deploy when they should not or may not deploy when they should. Installing bumper guards with nongenuine Hyundai or non-equivalent parts may adversely affect the collision and airbag deployment performance. Press the Engine Start/Stop button to the OFF or ACC position and wait for 3 minutes when the vehicle is being towed to prevent inadvertent air bag deployment. Have all air bag repairs performed by an authorized HYUNDAI dealer.

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