Hyundai Venue (QX): Automatic Transaxle Control System / Inhibitor Switch. Troubleshooting

Hyundai Venue (QX) (2020-2026) Service Manual / Automatic Transaxle System\ / Automatic Transaxle Control System / Inhibitor Switch. Troubleshooting

Fault Diagnosis
â–¶ 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 – Inhibitor 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 – Inhibitor 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.

    Specifications â–· Type : Combination of output signals from 4 terminals â–· Specifications Items Specifications Power supply (V) 12 Output type Combination of output signals

    Inspection â–¶ Inspection flow of the inhibitor switch â–¶ Items to check 1. Inspect DTC code. 2.

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