DTC Troubleshooting Procedures

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