Generic Scan Tool

A string of characters must be entered into the generic scan tool to perform Output Test Mode. The generic keystroke entry for this specific function is provided below. Refer to scan tool manufacturer instructions for specific cable usage or additional information.

Output Test Mode has four separate forms to enter:

ALL OUTPUTS ON (except COOLING FANS)

ALL OUTPUTS OFF

LOW SPEED COOLING FAN ON/OFF

HIGH SPEED COOLING FAN ON/OFF

- Perform visual inspection and test preparation.

- Connect scan tool to Data Link Connector (DLC).

- Turn ignition key to the "ON" position.

- Verify tool is connected and communicating properly by entering the On-Board Diagnostics II (OBD II) System Readiness Test. On-Board System Readiness Test

- Enter the strings separately and in the order listed:

OUTPUT TEST MODE:

All Outputs ON:

02,20,20,C4 10 25,,9E 00 A1 91 00 03, 16

03,22,20,C4 10 31 84,,9E 00 A1 91 00 04, AA

04,2A,20,C4 10 B1 00 25 02,,9E 00 41 4C 4C 20 4F 4E, 36

All Outputs OFF:

05,28,20,C4 10 32 84,,9E 00 41 40 40 20 4F 46 46, 51

Low Speed Fan ON:

02,20,20,C4 10 25,,9E 00 A1 91 00 03, 16

03,22,20,C4 10 31 84,,9E 00 A1 91 00 04, AA

04,2A,20,C4 10 B1 00 25 03,,9E 00 40 46 43 20 4F 4E, 33

Low Speed Fan OFF:

06,28,20,C4 10 32 84,,9E 00 41 40 4C 20 4F 46 46, 51

High Speed Fan ON:

02,20,20,C4 10 25,,9E 00 A1 91 00 03, 16

03,22,20,C4 10 31 84,,9E 00 A1 91 00 04, AA

04,2A,20,C4 10 B1 00 25 04,,9E 00 48 46 43 20 4F 4E, 2F

High Speed Fan OFF:

05,28,20,C4 10 32 84,,9E 00 41 4C 4C 20 4F 48 46, 51

Normally ON Outputs OFF:

02,20,20,C4 10 25,,9E 00 A1 91 00 O3, 16

03,22,20,C4 10 31 84,,9E 00 A1 91 00 04, AA

04,2A,20,C4 1O B1 00 25 O1,,9E 00 4F 2F 5O 2O 4F 46 46, 6C

Return To Normal State:

O5,28,2O,C4 1O 32 84,,9E 00 41 4C 4C 20 4F 46 46, 51