10.7 CRUISE CONTROL INOPERATIVE Step Cruise Enable Switch Set  / Coast Switch Res  / Accel Switch DDR Readout Being Looked At DDR Display Okay Go To 1. Off Off Off Cruise Enable OffOn YesNo Refer  to step 2 Refer to section 10.7.5 2. On Off Off Cruise Enable OffOn NoYes Refer  to section 10.7.6Listed in  Table 10-4, step 1 Table 10-3 Cruise Control Quick Check Table I, Check Out Cruise Enable Switch and Wiring (Ignition ON Not Running) Step Cruise Enable Switch Brake Pedal Clutch Pedal DDR Readout Being Looked At DDR Display Okay Go To 1. On Released Released Service Brake Release On Off Yes No Refer  to step 2 Refer to section 10.7.7 2. On Depressed Released Service Brake Release On Off No Yes Refer  to section 10.7.8 Refer  to step 3 3. On Released Released Clutch Release On Off Yes No Refer  to step 4 Refer to section 10.7.9 4. On Released Depressed Clutch Release On Off No Yes Refer  to section 10.7.10Listed in  Table 10-5, step 1 Table 10-4 Cruise Control Quick Check Table II, Check Out Brake and Clutch Switch and Wiring (Ignition ON Not Running) All information subject to change without notice. 10-30 6SE497  9709   Copyright © 1997 DETROIT DIESEL CORPORATION