Test A: No Communication With the TPMS Module/Unable to Enter Self-Test

PINPOINT TEST A: NO COMMUNICATION WITH THE TPMS MODULE/UNABLE TO ENTER SELF-TEST

Normal Operation
The TPMS module requires an operating voltage it a range between 10 and 17 volts.

Voltage is supplied by circuit 1050 (LG/VT) (ignition feed) and circuit 1003 (GY/YE) (B+ voltage at all times). Ground is provided through circuit 1205 (BK).

Tests A1 - A2:

Possible Causes
- Power supply circuit 1050 (LG/VT) (ignition feed)
- Power circuit 1003 (GY/YE) (B+ voltage at all times)
- Ground circuit 1205 (BK)
- TPMS module
- Scan tool
- Data link connector (DLC) and wiring

CAUTION: The Flex Probe Kit must be used for all test connections. Use of standard multimeter probes may damage wiring terminals.