SERIES 60 ON-HIGHWAY ENGINE OPERATOR'S GUIDE Figure 8 RSL/AWL Flashing Code Examples Active Codes – The active codes will be flashed on the RSL in the order of most recent to least recent occurrence based on engine hours. If there are no active codes, a code 25 will be flashed. conditions for code flashing are no longer satisfied. To Read Codes: Use the DDR or press and hold the Diagnostic Test Mode Switch with the ignition ON and the engine AT IDLE or NOT RUNNING. Press and hold the switch. Active codes will be flashed on the RSL first, followed by inactive codes being flashed on the AWL.
Inactive Codes – The inactive codes will be flashed on the AWL in the order of most recent to least recent occurrence based on engine hours. If there are no inactive codes, a code 25 will be flashed. The codes will continue to flash and repeat as long as the diagnostic request switch is held in the ON position with the ignition on. Diagnostic codes are listed on the following pages. Only One Light Flashes at a Time – Only one light will be flashing codes at any time. When code flashing is initiated, the active codes (or code 25) will be flashed on the RSL. Then the inactive codes (or code 25) will be flashed on the AWL.
When all the inactive codes (or code 25) have been flashed, the process of flashing all the active codes followed by all the inactive codes will repeat until the All information subject to change without notice. 29 DDC-SVC-MAN-0039 Copyright © 2009 DETROIT DIESEL CORPORATION