(01/02)
KM816010
Page 15 of 44
MAINTENANCE MANUAL
Kenworth SmartWheel Troubleshooting Guide
16
C. Engine Retarder Does Not Work
C1. Symptom: Engine retarder will not turn on (1994 Cummins only).
C1-1. Possible cause: No power or ground to retarder circuit.
C1-2. Possible cause: Problem in retarder circuits C96JH or C98JF.
Check
Result
What To Do Next
C1-1A
Engine retarder (ENG RTD) circuit
breaker or fuse in cab power distri-
bution box.
Circuit breaker or fuse OK.
No continuity.
Go to
C1-1B
.
Determine cause for fuse to blow
(shorted wire, etc.).
Replace circuit breaker or fuse. If
retarder still does not work, go to
C1-1B
.
C1-1B
Continuity in ground circuit for
retarder relays (ckt C97CS) from
relay coil to cab ground.
Connector OK, continuity to cab
ground.
Go to
C1-2
.
Connection loose, broken, corroded.
Repair or replace connector(s),
tighten ground stud.
Check
Result
What To Do Next
C1-2A
Retarder wiring/ connections
leading to engine brake solenoids
(ckts C96JH and C98JF). Use multi-
plex steering wheel Select engine
wiring diagram.
Wires OK, connectors clean and
tight.
Go to
C1-3.
Wires broken, frayed, or connectors
loose, damaged, corroded.
Repair or replace wires and/or con-
nectors.
Содержание SmartWheel KM816010
Страница 11: ...Page 10 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 6 ...
Страница 13: ...Page 12 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 7 ...
Страница 15: ...Page 14 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 8 ...
Страница 17: ...Page 16 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 9 ...
Страница 19: ...Page 18 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 10 ...
Страница 21: ...Page 20 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 11 ...
Страница 23: ...Page 22 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 12 ...
Страница 25: ...Page 24 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 13 ...
Страница 27: ...Page 26 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 14 ...
Страница 29: ...Page 28 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 15 ...
Страница 31: ...Page 30 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 16 ...
Страница 33: ...Page 32 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 17 ...
Страница 35: ...Page 34 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 18 ...
Страница 37: ...Page 36 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 19 ...
Страница 39: ...Page 38 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 20 ...
Страница 41: ...Page 40 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 21 ...
Страница 43: ...Page 42 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 Figure 16 22 ...
Страница 45: ...Page 44 of 44 KM816010 01 02 MAINTENANCE MANUAL Kenworth SmartWheel Troubleshooting Guide 16 ...