Diagnosis System Check

Total OBD & ECU Auto Diagnostics

TOAD OBD Scanner

Get Instant Access

a. The vehicle's ECM uses ISO 14230 for communication. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 14230 format.

2007 RESTRAINTS Supplemental Restraint System - Sequoia

Dlc3 Connector

Fig. 39: Identifying DLC3 Connector

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 39: Identifying DLC3 Connector

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

TERMINAL CHART

Terminal No.

Connection/Voltage or Resistance

Condition

7

Bus + Line/Pulse generation

During Transmission

4

Chassis Ground <-- > Body Ground/Below 1 ohms

Always

16

Battery Positive <--> Body Ground/10 to 14 V

If the display shows UNABLE TO CONNECT TO VEHICLE when you have connected the cable of the OBD II scan tool or intelligent tester to the DLC3, turned the ignition switch ON and operated the scan tool, there is a problem on the vehicle side or tool side.

• If communication is normal when the tool is connected to another vehicle, inspect the DLC3 on the original vehicle.

• If communication is still not possible when the tool is connected to another vehicle, the problem is probably in the tool itself, so consult the Service Department listed in the tool's instruction manual.

Was this article helpful?

0 0
Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

Get My Free Ebook


Post a comment