Hyundai Elantra CN7 Quiz

DTC Troubleshooting Procedures - P1709

In this manual: DTC Troubleshooting Procedures - P1709
Repair and Maintenance Manual for Hyundai Elantra — 0General Information — 0Engine - Mechanical (DOHC 1.8L/2.0L) — 0Engine - Mechanical (DOHC 1.6L) — 0Engine Electrical Equipment — 0Emission Control System — 0Fuel system — 0Clutch — 0Transmission — 0Wheel Drive Shaft and Axle — 0Suspension — 0Steering — 0
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ПРИНЦИП РАБОТЫ И НАЗНАЧЕНИЕ По сигналам выключателя сервопривода тормоза принудительного

DESCRIPTION AND OPERATION: Based on the signals from the forced downshift brake servo switch:

• Determines when the forced downshift brake band starts to apply to control transaxle hydraulic pressure

TROUBLESHOOTING HINTS

Malfunction Detection Conditions Possible Cause Inspection Item
• Signal from the 1st or 3rd gear switch is present for more than 5 seconds • Intermediate shaft speed is more than 900 rpm • ATF temperature in the A/T: above 60 °C • A/T ECU receives an "OFF" signal from the forced downshift brake servo switch • Malfunction of the forced downshift brake servo switch • Malfunction (poor contact) in the connector • Malfunction of the A/T ECU • Wiring and connector • Forced downshift brake servo switch • Forced downshift brake servo assembly
<SYMPTOM DESCRIPTION> • Shocks are felt as when shifting the transmission into 2nd gear and 4th gear


WIRING DIAGRAM

TROUBLESHOOTING PROCEDURE

Процедуры проверки по диагностическим кодам неисправностей - Р0727

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