Table 2. CWS Troubleshooting Procedures - Continued.

TM 9-2320-303-24-1

Table 2. CWS Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Side Sensor Warning Tone Audible When 1. Verify tone is not audible when If tone is heard, replace side

Brakes Are Applied.

hand is waved in front of side sensor (WP 0220 00). If tone is not

sensor with only brake pedal heard, proceed to next step.

depressed (turn signal not

activated).

2. Verify turn signal setting is If OK, proceed to next step. If

correctly configured in CPU.* NOT OK, replace CPU (WP 0220

00).

3. Perform turn signal test and If OK, replace CPU (WP 0220

confirm receipt of correct 00). If NOT OK, replace DDU

signal when turn signal is (WP 0220 00).

applied.*

Volume Knob Does Not Reduce Volume.

1. Verify MIN VOL setting is If OK, proceed to next step. If

zero.*

NOT OK, replace CPU (WP 0220

00).

2. Perform DDU test and confirm If OK, replace CPU (WP 0220

proper operation of volume 00). If NOT OK, replace DDU

knob.*

(WP 0220 00).

Range Knob Does Not Change Alert Levels.

1. Verify RANGE ENABLE If OK, proceed to next step. If

configuration is ON.*

NOT OK, notify supervisor.

2. Perform DDU test and confirm If OK, replace CPU (WP 0220

proper operation of range 00). If NOT OK, replace DDU

knob.*

(WP 0220 00).

Front Antenna Detects Vehicles in an 1. Confirm radar beam path is Clear radar beam path if

Adjacent Lane With No Vehicle in Front of

obstructed.

obstructed. If radar beam path is

Host Vehicle.

not obstructed, proceed to next

step.

2. Confirm antenna is secure and If antenna is secure and proper

check alignment (WP 0219 00). alignment is confirmed and fault

still exists, replace CPU (WP 0220

00).

Front Antenna Detects Vehicle in Both Left 1. Confirm radar beam path is Clear radar beam path if

and Right Adjacent Lanes with No Vehicles in

unobstructed.

obstructed. If radar beam path is

Front of Host Vehicle.

not obstructed, proceed to next

step.

2. Confirm antenna is secure and If antenna is secure and proper

check alignment (WP 0219 00). alignment is confirmed and fault

still exists, replace CPU (WP 0220

00).

0020 00-4