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F5: ACTUATOR TEST - RADIO BUS TEST RADIO CIRCUIT SDA/SCL EXCHANG. > < F5: ACTUATOR TEST - RADIO BUS TEST RADIO CIRCUIT SHORT SDA/MRQ

Table 5, F5:ACTUATOR TEST

 

RADIO BUS TEST

 

No.

TECH 1 Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

-

RADIO CIRCUIT SHORT SCL/MRQ

Ignition OFF

 

121

9, 10

 

 

 

 

 

 

Notes for Trouble-shooting:

Nominal Value:

Cause of Fault:

(If nominal value is not attained)

 

·   Remove radio

 

 

·   Using multimeter, measure resistance

higher than 1 kW

·   SCL has short circuit MRQ

     between radio wiring harness plug

     Ter.17 and Ter. 18

 

·   MID defective

 

 

If nominal value is attained:

 

 

·   Radio defective

·   Remove instrument assembly

 

 

·   Disconnect MID wiring harness plug

 

 

·   Using multimeter, measure resistance between radio wiring harness plug

higher than 100 kW

·   SCL has short circuit to MRQ

 

     Ter. 17 and Ter. 18

 

If nominal value is attained:

 

 

·   MID defective

 

 

 

 

 

 

 


Related Literature Units
-TABLE 2,TROUBLE CODES - Trouble Code 121 RADIO BUS COMMUNICATION

F5: ACTUATOR TEST - RADIO BUS TEST RADIO CIRCUIT SDA/SCL EXCHANG. > < F5: ACTUATOR TEST - RADIO BUS TEST RADIO CIRCUIT SHORT SDA/MRQ