LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2003 >> Sienna LE >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Diagnostics >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

If a normal code is displayed during the DTC check but the trouble still occurs, check the circuits for each symptom in the order given in the matrix chart on the following pages and proceed to the page given for troubleshooting.

The matrix chart is divided into 3 chapters.

Chapter 1: Electrical circuit 

Chapter 2: On-vehicle repair 

Chapter 3: Off-vehicle repair 

Chapter 1: Electrical circuit 

Fig 1: Diagnostic Chart (Electrical Circuit)
G02830382Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Chapter 2: On-vehicle repair 

Fig 2: Diagnostic Chart (On-Vehicle Repair)
G02830383Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Chapter 3: Off-vehicle repair 

Fig 3: Diagnostic Chart (Off-Vehicle Repair)
G02830384Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002