Pinpoint Tests

PINPOINT TEST A: THE UNIVERSAL TRANSMITTER IS INOPERATIVE

A1-A2:

A3-A4:

Normal Operation
The universal transmitter receives voltage on circuit CLN09 (YE/GN) and is grounded through circuit GD139 (BK/YE).

Possible Causes
- Fuse
- Circuit CLN09 (YE/GN) open or short to ground
- Circuit GD139 (BK/YE) open
- Receiver unit
- Universal transmitter