Troubleshooting

202 RENR2696-01
Troubleshooting Section
E. Turn the keyswitch to the ON position. Monitor
the status scre
en on the electronic service tool.
Slowly connect and disconnect the jumper wire.
Expected Resu
lt:
When the jumper wire is disconnected the switch
should be in th
e OPEN position. When the jumper
wire is connected the switch should be in the
CLOSED position.
Results:
•
OK
Repair: Verify that the jumper wire has been
removed. The
suspect mode selector switch is
faulty. Replace the switch and verify that the repair
has eliminated the problem.
STOP.
•
Not OK – Proce
ed to Test Step 4.
Test Step 4. Measure the Resistance at
the P20/J20 MIC
g00955199
Illustration 114
A. Turn the keyswitch to the OFF position.
B. Reconnect the suspect switch.
C. Disconnect the P20 connector from the J20 MIC.
D. Measure the resistance between P20:37 switch
return and the following MIC pins:
•
P20:30 Switch No. 1