Chrysler RG Voyager. Manual — part 359
Symptom:
*TRAC OFF INDICATOR NEVER/ALWAYS ON
POSSIBLE CAUSES
TRAC OFF SW GROUND OPEN
TRAC OFF SWITCH OPEN
TRAC OFF SWITCH SENSE CIRCUIT SHORT TO B+ OR OPEN
BCM -- NO TRAC OFF MESSAGE
CLUSTER INTERNAL FAULT-- TRAC OFF INDICATOR INOPERATIVE
CLUSTER-PERMANENT TRAC OFF INDICATOR
TRAC OFF SWITCH INTERNAL SHORT
TRAC OFF SWITCH SENSE CIRCUIT SHORT TO GROUND
BCM -- PERMANENT TRAC OFF MESSAGE
TEST
ACTION
APPLICABILITY
1
Note: If any DTC’s are present, they must be repaired prior to performing
this test.
Turn the ignition off.
Turn the ignition on.
Observe the TRAC OFF indicator.
Did the TRAC OFF indicator come on for several seconds then go out?
All
Yes
→ Go To 2
No. TRAC OFF Indicator does not come on.
No. TRAC OFF Indicator does not go out.
2
Disconnect the TRAC OFF Switch harness connector.
Using a 12-volt test light connected to 12-volts, check the TRAC OFF Switch Ground
circuit.
Does the test light illuminate?
All
Yes
→ Go To 3
No
→ Repair the TRAC OFF Switch Ground circuit for an open.
Perform ABS VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the TRAC OFF Switch harness connector.
Turn the ignition on.
Connect and disconnect a jumper wire between TRAC OFF Switch Ground and
TRAC OFF Switch Sense circuits.
Does the TRAC OFF Indicator light and then go out?
All
Yes
→ Replace the TRAC OFF switch.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Go To 4
37
BRAKES (20E)
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the TRAC OFF Switch harness connector.
Disconnect the CAB harness connector.
Turn the ignition on.
Check the TRAC OFF Switch Sense circuit for short to B+ and for an open.
Is the Sense circuit shorted or open?
All
Yes
→ Repair the TRAC OFF Switch Sense circuit for a short to battery
or for an open.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module in accordance with the Service
Information.
Perform ABS VERIFICATION TEST - VER 1.
5
Turn the ignition off.
NOTE: The purpose of this test is to perform the Instrument Cluster self
test.
Depress and hold the Odometer Reset Button.
Turn the Key from OFF to ON and then back to OFF.
Release the Odometer Reset Button.
Do the Instrument Cluster Indicators and Gauges activate and deactivate?
All
Yes
→ Replace the Body Control Module in accordance with the Service
Information.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform ABS VERIFICATION TEST - VER 1.
6
NOTE: The purpose of this test is to perform the Instrument Cluster self
test.
Depress and hold the Odometer Reset Button.
Turn the Key from OFF to ON and then back to OFF.
Release the Odometer Reset Button.
Do the Instrument Cluster Indicators and Gauges activate and deactivate?
All
Yes
→ Go To 7
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform ABS VERIFICATION TEST - VER 1.
7
Turn the ignition off.
Disconnect the TRAC OFF Switch harness connector.
Turn the ignition on.
Does the TRAC OFF Indicator light and then go out?
All
Yes
→ Replace the TRAC OFF switch.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Go To 8
38
BRAKES (20E)
*TRAC OFF INDICATOR NEVER/ALWAYS ON —
Continued
TEST
ACTION
APPLICABILITY
8
Turn the ignition off.
Disconnect the TRAC OFF Switch harness connector.
Disconnect the BCM C4 harness connector.
Check the TRAC OFF Switch Sense circuit for short to ground.
Is the Sense circuit shorted to ground?
All
Yes
→ Repair the TRAC OFF Switch Sense circuit for a short to ground.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module in accordance with the Service
Information.
Perform ABS VERIFICATION TEST - VER 1.
39
BRAKES (20E)
*TRAC OFF INDICATOR NEVER/ALWAYS ON —
Continued
Symptom:
*TRAC ON INDICATOR NEVER/ALWAYS ON
POSSIBLE CAUSES
CAB -- INTERNAL FAULT
CHECK TRACTION CONTROL SYSTEM
CLUSTER FAILS SELF TEST
CAB - NO TRAC MESSAGE
TEST
ACTION
APPLICABILITY
1
NOTE: The DRBIII
t must be able to communicate with the CAB prior to
performing this test.
NOTE: Note: If any CAB DTC’s are present, they must be repaired prior to
performing this test.
Perform the KEY-ON bulb test.
Did the TRAC Indicator illuminate and then go out?
All
Yes
→ Go To 2
No
→ Go To 3
2
Make sure the Traction Control system has not been deactivated with the TRAC OFF
switch.
NOTE: The purpose of this test is to determine if the Traction Control
system is operating.
With the DRBIII
t in Inputs/Outputs, read the ABS Pump Motor voltage state.
Accelerate sufficient to cause drive wheel slip.
Does the TRAC Indicator illuminate and the DRBIII
t display approximately 9 volts?
All
Yes
→ The traction control system is functioning normally.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Replace the Controller Antilock Brake in accordance with the
Service Information.
Perform ABS VERIFICATION TEST - VER 1.
3
NOTE: The purpose of this test is to perform the Instrument Cluster self
test.
Depress and hold the Odometer Reset Button.
Turn the Key from OFF to ON and then back to OFF.
Release the Odometer Reset Button.
Do the Instrument Cluster Indicators and Gauges activate and deactivate?
All
Yes
→ Replace the Controller Antilock Brake in accordance with the
Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform ABS VERIFICATION TEST - VER 1.
40
BRAKES (20E)
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