Inspection Procedure

INSPECT DLC3 TERMINAL VOLTAGE (TC TERMINAL)
1. Turn the ignition switch ON.
2. Measure voltage between terminal TC and CG of DLC3.
  Standard: 10 to 14 V
  
  Fig 1: Measuring Voltage Between Terminal TC And CG Of DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Go to step 3
2. NG: GO TO NEXT STEP.
CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)
1. Check for open and short circuit in the harness and the connector between terminal CG of DLC3 and body ground (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: GO TO NEXT STEP.
CHECK HARNESS AND CONNECTOR (DLC3 - SUSPENSION CONTROL ECU)
1. Check for open and short circuit in the harness and the connector between terminal TC of DLC3 and the suspension control ECU (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: GO TO NEXT STEP.
  CHECK AND REPLACE SUSPENSION CONTROL ECU (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )