Kenworth SmartWheel KM816010 User Manual

(01/02) KM816010
MAINTENANCE MANUAL
Kenworth SmartWheel Troubleshooting Guide
16
0Kenwor th SmartW heel Troubleshoot-
ing Guide KM816010 01/02
16
CONTENTS
TITLE PAGE
Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Service Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
TIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
How to use this Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Tools for Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Troubleshooting Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
A. Start - No Functions Work or Operation is Intermittent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
A1. Possible cause: Open circuit in BA11 or Gnd circuit to elect. module (circuits PCB 1, 2, 3, or 4 and G N D). . .5
A2. Possible cause: Bad electrical connection to hub or slip rings.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
A2. Possible cause: Bad electrical connection to hub or slip rings.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
A3. Possible cause: Bad electronics module or steering wheel hub. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
B. Horn Does Not Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
B1. Possible cause: No power or ground in horn circuit.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
B2. Possible cause: Bad horn relay in power distribution box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
B3. Possible cause: Problem in circuit R11HN.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
B4. Possible cause: Bad electronics module or steering wheel hub. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
C. Engine Retarder Does Not Work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
C1. Symptom: Engine retarder will not turn on (1994 Cummins only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
C2. Symptom: Engine retarder will not turn on (all engines). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
C3. Symptom: Retarder works only when button held down or does not turn on.. . . . . . . . . . . . . . . . . . . . . . . . . .21
D. Cruise Control Does Not Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
D1. Symptom: Cruise Control will not turn on.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
D2. Symptom: Cruise SET will not work.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
D3. Symptom: Cruise RESUME will not work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
E. Headlight Flash Does Not Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
E1. Symptom: Headlights do not turn on. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
E1. Symptom: Headlights do not turn on. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
E2. Symptom: Headlights do not flash on with SmartWheel switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
E3. Symptom: Headlights do not blink off with SmartWheel switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
F. Marker Lamp Flash Does Not Work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
F1. Symptom: Marker lights do not turn on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
F1. Symptom: Marker lights will not turn on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
F2. Symptom: Marker lights do not flash on with SmartWheel switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
F3. Symptom: Marker lights do not blink off with Smart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Kenworth SmartWheel KM816010 Specifications

General

Brand	Kenworth
Model	SmartWheel KM816010
Category	Trucks
Language	English

Summary

Purpose of Troubleshooting Guide

How to Use the Troubleshooting Guide

Tools for Troubleshooting

Troubleshooting: Start - No Functions Work or Operation is Intermittent

A1. Open Circuit in BA11 or Gnd Circuit

Checks for open circuit in BA11 or Gnd to electronic module, covering specific circuits.

A2. Bad Electrical Connection to Hub or Slip Rings

Examines electrical connections to the hub and slip rings for issues.

A3. Bad Electronics Module or Steering Wheel Hub

Diagnoses issues related to the electronics module or steering wheel hub.

Troubleshooting: Horn Does Not Work

B1. No Power or Ground in Horn Circuit

Checks for absence of power or ground in the horn circuit.

B2. Bad Horn Relay in Power Distribution Box

Identifies a faulty horn relay within the power distribution box.

B3. Problem in Circuit R11HN

Troubleshoots potential problems within circuit R11HN.

B4. Bad Electronics Module or Steering Wheel Hub

Assesses the electronics module or steering wheel hub for faults.

Troubleshooting: Engine Retarder Does Not Work

C1. Engine Retarder Not On (1994 Cummins)

Addresses engine retarder not activating on 1994 Cummins engines.

C1-1. No Power or Ground to Retarder Circuit

Checks for power or ground supply issues in the retarder circuit.

C1-2. Problem in Retarder Circuits C96JH or C98JF

Investigates issues within specific retarder circuits.

C1-3. Bad Retarder Relay(s) in Power Distribution Box

Checks for faulty retarder relays in the power distribution box.

C1-4. Problem in Circuits C96JB or C98JB

Diagnoses problems in specific circuits C96JB or C98JB.

C2. Engine Retarder Not On (All Engines)

Addresses engine retarder not activating on all engine types.

C2-1. No Accessory Power to Electronics Module

Checks for accessory power to the electronics module.

C2-2. Problem in Retarder Wiring

Troubleshoots issues within the retarder wiring.

C3. Retarder Works Only When Button Held or Not On

Addresses retarder operation issues: only when held or not at all.

C3-1. No Ignition Power to Electronics Module

Checks for ignition power supply to the electronics module.

C3-2. Bad Electronics Module or Steering Wheel Hub

Diagnoses faults in the electronics module or steering wheel hub.

Troubleshooting: Cruise Control Does Not Work

D1. Cruise Control Will Not Turn On

Addresses the symptom where cruise control fails to activate.

D1-1. No Ignition Power to Electronics Module

Checks for ignition power supply to the electronics module.

D1-2. Problem in Cruise Control Wiring

Troubleshoots issues within the cruise control wiring.

D1-3. Bad Electronics Module or Steering Wheel Hub

Diagnoses faults in the electronics module or steering wheel hub.

D2. Cruise SET Will Not Work

Addresses the symptom where the cruise control SET function fails.

D2-1. Problem in Cruise Control Wiring

Troubleshoots issues within the cruise control wiring for SET.

D2-2. Bad Electronics Module (Assumes Cruise Turns On)

Diagnoses the electronics module when cruise control is otherwise functional.

D3. Cruise RESUME Will Not Work

Addresses the symptom where the cruise control RESUME function fails.

D3-1. Problem in Cruise Control Wiring

Troubleshoots issues within the cruise control wiring for RESUME.

D3-2. Bad Electronics Module (Assumes Cruise Turns On)

Diagnoses the electronics module for RESUME issues.

Troubleshooting: Headlight Flash Does Not Work

E1. Headlights Do Not Turn On

Addresses the symptom where headlights fail to illuminate.

E1-1. No Power or Ground in Headlight Circuit

Checks for power or ground supply issues in the headlight circuit.

E1-2. Problem in Headlight Circuits

Troubleshoots issues within the headlight circuits.

E1-3. Bad Dash Switch

Diagnoses a faulty dash switch for headlight operation.

E1-4. Bad Headlamps Relay in Power Distribution Box

Checks for a faulty headlamp relay in the power distribution box.

E1-5. Bad Electronics Module

Diagnoses a faulty electronics module for headlight issues.

E2. Headlights Do Not Flash on with SmartWheel Switch

Addresses headlights failing to flash when using the SmartWheel switch.

E2-1. Problem in Circuit R5NO

Troubleshoots issues within circuit R5NO related to flashing.

E3. Headlights Do Not Blink Off with SmartWheel Switch

Addresses headlights failing to blink off with the SmartWheel switch.

E3-1. Problem with Multiplex Control System

Troubleshoots multiplex control system issues for blinking.

Troubleshooting: Marker Lamp Flash Does Not Work

F1. Marker Lights Do Not Turn On

Addresses the symptom where marker lights fail to illuminate.

F1-1. No Power or Ground in Marker Light Circuit

Checks for power or ground supply issues in the marker light circuit.

F1-2. Problem in Marker Light Circuits

Troubleshoots issues within the marker light circuits.

F1-3. Bad Dash Switch

Diagnoses a faulty dash switch for marker light operation.

F1-4. Bad Marker Lamps Relay in Power Distribution Box

Checks for a faulty marker lamps relay in the power distribution box.

F1-5. Bad Electronics Module

Diagnoses a faulty electronics module for marker light issues.

F2. Marker Lights Do Not Flash on with SmartWheel Switch

Addresses marker lights failing to flash with the SmartWheel switch.

F2-1. Problem in Circuit R3NO

Troubleshoots issues within circuit R3NO for flashing.

F3. Marker Lights Do Not Blink Off with Smart

Addresses marker lights failing to blink off with SmartWheel.

F3-1. Problem with Multiplex Control System

Troubleshoots multiplex control system issues for blinking.