TELEMATICS SYSTEM(for ERA-GLONASS) Emergency Call Switch Illumination Circuit

WIRING DIAGRAM

*1	Roof Console Box Sub-assembly (Manual (SOS) Switch)
*2	Telematics Transceiver

CAUTION / NOTICE / HINT

PROCEDURE

1. INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH)

   
   
   1. 

      *a	Component without harness connected (Roof Console Box Sub-assembly (Manual (SOS) Switch))

      Remove the roof console box sub-assembly (manual (SOS) switch).

      Click here

   2. Connect 4 dry-cell batteries (1.5 V each) in series.

   3. Connect a positive (+) from the batteries lead to terminal 9 (RRID) and a negative (-) lead to terminal 12 (GND3) of the roof console box sub-assembly (manual (SOS) switch) connector.

   4. Check if the manual (SOS) switch illuminates.

      OK
      Manual (SOS) switch illuminates.

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) Click here

   OK

2. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH))

   
   

   1. Disconnect the K145 telematics transceiver connector.

   2. Disconnect the V20 roof console box sub-assembly (manual (SOS) switch) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition K145-9 (SLED) - V20-9 (RRID) Always Below 1 Ω K145-26 (SIG-) - V20-12 (GND3) Always Below 1 Ω K145-9 (SLED) or V20-9 (RRID) - Body ground Always 10 kΩ or higher K145-26 (SIG-) or V20-12 (GND3) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE TELEMATICS TRANSCEIVER Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR