Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT DLC3 TERMINAL VOLTAGE
1. Turn the ignition switch to ON.
2. Measure the voltage between terminal 13 (Tc) and 4 (CG) of DLC3.
  OK:
  
  Voltage: 10 - 16 V
  
  Fig 1: Inspecting DLC3 Terminal Voltage
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
2. NG: Go to Next Step
CHECK HARNESS AND CONNECTOR
1. Check for open and short circuit in the harness and the connector between ECM and DLC3 (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
2. Check for open and short circuit in the harness and the connector between DLC3 and body ground (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )