Hyundai Santa Fe: Heating,Ventilation And Air Conditioning / Rear Heater

Intake Actuator. Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the intake actuator connector...

Rear Heater Unit. Components and components location

Component Location 1. Rear Heater & A/C Unit Components 1. Rear heater & blower unit assembly 2...

Other information:

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Troubleshooting

Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward "Surging" (repeated alternating acceleration and deceleration) occurs after setting Malfunction of the vehicle speed sensor circuit Repair the vehicle speed sensor system, or replace the part Malfunction of ECM Check input and output signals at ECM Trouble Symptom 3 Trouble symptom Probable cause Remedy The CC system is not canceled when the brake pedal is depressed Damaged or disconnected wiring of the brake pedal switch Repair the harness or replace the brake pedal switch Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 4 Trouble symptom Probable cause Remedy The CC system is not canceled when the shift lever is moved to the "N" position (It is canceled, however, when the brake pedal is depressed) Damaged or disconnected wiring of inhibitor switch input circuit Repair the harness or repair or replace the inhibitor switch Improper adjustment of inhibitor switch Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 5 Trouble symptom Probable cause Remedy Cannot decelerate (coast) by using the "SET/–" switch Temporary damaged or disconnected wiring of "SET/–" switch input circuit Repair the harness or replace the "SET/–" switch Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 6 Trouble symptom Probable cause Remedy Cannot accelerate or resume speed by using the "RES/+" switch Damaged or disconnected wiring, or short circuit, or "RES/+" switch input circuit Repair the harness or replace the "RES/+" switch Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 7 Trouble symptom Probable cause Remedy CC system can be set while driving at a vehicle speed of less than 40km/h (25mph), or there is no automatic cancellation at that speed Malfunction of the vehicle-speed sensor circuit Repair the vehicle speed sensor system, or replace the part Malfunction of the ECM signals Check input and output signals at ECM Trouble Symptom 8 Trouble symptom Probable cause Remedy The cruise main switch indicator lamp does not illuminate (But CC system is normal) Damaged or disconnected bulb of cruise main switch indicator lamp Repair the harness or replace the part...

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Engine Control Module (ECM). Schematic diagrams

ECM Terminal and Input/Output signal ECM Terminal Function Connector A Pin No Description Connected to 1 Power ground Chassis Ground 2 - - 3 - - 4 - - 5 - - 6 Fuel Sender Signal Fuel Sender 7 - - 8 - - 9 - - 10 - - 11 - - 12 - - 13 - - 14 - - 15 Stop Lamp Signal Stop Lamp 16 Brake Test Switch Brake Switch 17 18 - 19 - 20 Output Speed (Supply) ATM Solenoid Valve (Otput Speed) 21 Input Speed (Supply) ATM Solenoid Valve (Input Speed) 22 - - 23 - - 24 - - 25 - - 26 - - 27 [A/T] SOL...