G-BOOK SYSTEM, Diagnostic DTC:B15CC

DESCRIPTION

If the telematics transceiver receives a defect, high temperature or low voltage signal from the mayday battery or does not receive any signals during mayday battery self-diagnosis, this DTC will be stored.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

   
   

   1. Clear the DTC Click here.

   2. Recheck for DTCs and check if the same DTC is output again.

      OK
      No DTCs are output.

   
   

   NG

   CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAYDAY BATTERY) Click here

   OK

   END

2. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAYDAY BATTERY)

   
   

   1. 

      Disconnect the G25 telematics transceiver connector.

   2. 

      Disconnect the G26 mayday battery connector.

   3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition G25-30 (BBI+) - G26-1 (BBO+) Always Below 1 Ω G25-13 (BBI-) - G26-5 (BBO-) Always Below 1 Ω G25-20 (CTR1) - G26-3 (BTR1) Always Below 1 Ω G25-21 (CTR2) - G26-4 (BTR2) Always Below 1 Ω G25-30 (BBI+) - Body ground Always 10 kΩ or higher G25-13 (BBI-) - Body ground Always 10 kΩ or higher G25-20 (CTR1) - Body ground Always 10 kΩ or higher G25-21 (CTR2) - Body ground Always 10 kΩ or higher

      Text in Illustration

      *1	Front view of wire harness connector (to Telematics Transceiver)
      *2	Front view of wire harness connector (to Mayday Battery)

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

3. REPLACE MAYDAY BATTERY

   
   

   1. Replace the mayday battery with a normal one and check if the same problem occurs again Click here.

      
      

      1. Clear the DTC Click here.

      2. Recheck for DTCs and check if the same DTC is output again.

         OK
         No DTCs are output.

   
   

   NG

   REPLACE TELEMATICS TRANSCEIVER Click here

   OK

   END