Z52

- Key Off.

- Disconnect tester from vehicle.

- Connect a jumper wire from VPWR jack to vehicle battery POS (+) terminal.

- Connect a jumper wire from PWR GND jack to vehicle battery NEG (-) terminal.

- If tester performs Self-Test, reconnect tester to vehicle and GO to Z190. Z190

- If tester does not perform Self-Test, refer to tester manual.

- If LEDs do not light or a beep is not heard during Self-Test, refer to tester manual.

- Did tester pass Self-Test?

Yes -- GO to Z53. Z53

No -- DIST does not pass Self-Test. REFER to Warranty supplied with DIST.