How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Use this procedure to troubleshoot the key reminder warning system.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK
BATTERY VOLTAGE INSPECTION
1. Check the battery voltage.
  Standard Voltage: 11 to 14 V
  
  If the voltage is below 11 V, recharge the battery before proceeding.
PROBLEM SYMPTOMS TABLE
1. If the fault is not listed on the problem symptoms table, proceed to A.
2. If the fault is listed on the problem symptoms table, proceed to B.
B: Go to step 6

A: Go to Next Step
OVERALL ANALYSIS AND TROUBLESHOOTING
1. See ON-VEHICLE INSPECTION .
2. See TERMINALS OF ECU .
ADJUSTMENT, REPAIR OR REPLACEMENT
CONFIRMATION TEST
NEXT: END