Dodge Neon / Neon SRT-4. Manual — part 499
Symptom:
*HORN FAILS TO SOUND DURING ALARM
POSSIBLE CAUSES
HORN RELAY CONTROL CIRCUIT OPEN
REMOTE KEYLESS ENTRY MODULE
TEST
ACTION
APPLICABILITY
1
Ensure the horn is operational from the horn switch before proceeding. If the horn
does not work properly, refer to the appropriate Service Information and repair the
Horn circuit as necessary.
Disconnect the Remote Keyless Entry module connector.
Connect one end of a jumper wire to the Horn Relay Control circuit in the RKE
connector.
Momentarily touch the other end of the jumper wire to ground.
Did the horn sound when the jumper wire was attached?
All
Yes
→ Replace the Remote Keyless Entry Module.
Perform VTSS VERIFICATION TEST - 1A.
No
→ Repair the Horn Relay Control circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
218
VEHICLE THEFT/SECURITY
Symptom:
*INTRUSION SENSOR CANNOT BE DISABLED (EXPORT ONLY)
POSSIBLE CAUSES
INTRUSION SENSOR
REMOTE KEYLESS ENTRY MODULE
TEST
ACTION
APPLICABILITY
1
Disconnect the Dome Lamp/Intrusion Sensor connector.
Measure the voltage between the Intrusion Sensor Signal circuit and ground.
Is the voltage above 10.0 volts?
All
Yes
→ Replace the Intrusion Sensor.
Perform VTSS VERIFICATION TEST - 1A.
No
→ Replace the Remote Keyless Entry Module in accordance with the
Service Information.
Perform VTSS VERIFICATION TEST - 1A.
219
VEHICLE THEFT/SECURITY
Symptom:
*INTRUSION SENSOR FAILS TO TRIP VTSS (EXPORT ONLY)
POSSIBLE CAUSES
INTRUSION SENSOR
OPEN FUSED B(+) CIRCUIT
OPEN GROUND CIRCUIT
INTRUSION SENSOR SIGNAL CIRCUIT OPEN
INTRUSION SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
INTRUSION SENSOR
REMOTE KEYLESS ENTRY MODULE
TEST
ACTION
APPLICABILITY
1
Ensure the IOD fuse is installed.
Using the DRBIII
t, read the module configuration and ensure it is configured for
PREMIUM VTA.
With the DRBIII
t select: THEFT ALARM, VTSS, SYSTEM TEST and INTRUSION
SENSOR TEST.
While waving your hand around the Intrusion Sensor, read the DRBIII
t.
Does the DRBIII
t display INTRUSION DETECTED?
All
Yes
→ Verify the system has not been armed with the intrusion sensor
disabled. Replace the Intrusion Sensor if the problem remains
intermittent.
Perform VTSS VERIFICATION TEST - 1A.
No
→ Go To 2
2
Disconnect the Dome Lamp/Intrusion Sensor connector.
Measure the voltage between the Fused B(+) circuit and ground.
Is the voltage above 10.0 volts?
All
Yes
→ Go To 3
No
→ Repair the Fused B(+) circuit for an open between the IOD fuse
and the Intrusion Sensor.
Perform VTSS VERIFICATION TEST - 1A.
3
Disconnect the Dome Lamp/Intrusion Sensor connector.
Turn the ignition and all the lights off.
Measure the resistance between ground and the Ground circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the Ground circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
220
VEHICLE THEFT/SECURITY
TEST
ACTION
APPLICABILITY
4
Disconnect the Dome Lamp/Intrusion Sensor connector.
Disconnect the Remote Keyless Entry Module connector.
Measure the resistance of the Intrusion Sensor Signal circuit between the sensor
connector and the RKE module connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 5
No
→ Repair the Intrusion Sensor Signal circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
5
Turn the ignition and all the lights off.
Disconnect the Dome Lamp/Intrusion Sensor connector.
Disconnect the Remote Keyless Entry Module Connector.
Measure the resistance of the Intrusion Sensor Signal circuit to ground.
Is the resistance below 1000.0 ohms?
All
Yes
→ Repair the Intrusion Sensor Signal circuit for a short to ground.
Perform VTSS VERIFICATION TEST - 1A.
No
→ Go To 6
6
Disconnect the Dome Lamp/Intrusion Sensor connector.
Backprobe a voltmeter lead to the Intrusion Sensor Signal circuit in the sensor
connector and the other lead to ground.
Reconnect the Intrusion Sensor Signal connector.
Wave your hand around the Intrusion Sensor and observe the voltmeter.
Is the voltage between 3.0 and 6.0 volts?
All
Yes
→ Replace the Remote Keyless Entry Module in accordance with the
Service Information.
Perform VTSS VERIFICATION TEST - 1A.
No
→ Replace the Intrusion Sensor in accordance with the Service
Information.
Perform VTSS VERIFICATION TEST - 1A.
221
VEHICLE THEFT/SECURITY
*INTRUSION SENSOR FAILS TO TRIP VTSS (EXPORT ONLY) —
Continued
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