Page 1693 of 2898
9 CHECK KEY SWITCH (INSERT)
Check continuity between terminals 1 and 2.
YEL786C
OK or NG
OK©Check the following.
+10A fuse [No. 12, located in fuse block (J/B)]
+Harness for open or short between key switch and fuse
+Harness for open or short between time control unit and key switch
NG©Replace key switch.
INTERIOR ROOM LAMP
Trouble Diagnoses/Hatchback With Interior Room Lamp Timer (Cont'd)
EL-135
Page 1756 of 2898

System Description/Sedan=NJEL0372The warning chime is controlled by the time control unit.
The warning chime is located in the time control unit.
Power is supplied at all times
+through 10A fuse [No. 12, located in the fuse block (J/B)]
+to key switch terminal 1,
+to time control unit terminal 1,
+through 10A fuse (No. 38, located in the fuse and fusible link box)
+to lighting switch terminal 11, and
+to daytime light unit terminal 1 (with daytime light system)
With the ignition switch in the ON or START position, power is supplied
+through 10A fuse [No. 10, located in the fuse block (J/B)]
+to time control unit terminal 17.
Ground is supplied to time control unit terminal 16 through body grounds M28 and M67.
When a signal, or combination of signals, is received by the time control unit, the warning chime will sound.
IGNITION KEY WARNING CHIMENJEL0372S01With the key in the ignition switch in the OFF position, the driver's door open and driver's door locked, the
warning chime will sound. Power is supplied
+from key switch terminal 2
+to time control unit terminal 18.
Ground is supplied
+from body grounds B9, B21 and B308
+to time control unit terminal 30, and
Ground is interrupted,
+from body grounds M28, M67 and B308
+to time control unit terminal 28
LIGHT WARNING CHIMENJEL0372S02With ignition switch OFF, driver's door open, and lighting switch in 1ST or 2ND position, warning chime will
sound. Power is supplied.
+from lighting switch terminal 12 or daytime light control unit terminal 10 (with daytime light system) to time
control unit terminal 19
Ground is supplied
+from door switch driver side terminal 2
+to time control unit terminal 30.
Door switch driver side terminal 3 is grounded through body grounds B9, B21 and B308.
WARNING CHIME
System Description/Sedan
EL-198
Page 1758 of 2898
Trouble Diagnoses/SedanNJEL0374SYMPTOM CHARTNJEL0374S01
REFERENCE PAGE (EL- ) 200 201 202 203 204
SYMPTOM
POWER SUPPLY AND
GROUND CIRCUIT CHECK
DIAGNOSTIC PROCEDURE 1
(LIGHTING SWITCH INPUT
SIGNAL CHECK)
DIAGNOSTIC PROCEDURE 2
(KEY SWITCH INSERT
SIGNAL CHECK)
DIAGNOSTIC PROCEDURE 3
(DOOR UNLOCK SENSOR CHECK)
DIAGNOSTIC PROCEDURE 4
Light warning chime does not acti-
vate.XX X
Ignition key warning chime does not
activate.XXXX
All warning chimes do not activate. XX
POWER SUPPLY AND GROUND CIRCUIT CHECKNJEL0374S02Power Supply Circuit CheckNJEL0374S0201
SEL991W
Ground Circuit CheckNJEL0374S0202
SEL992W
WARNING CHIME
Trouble Diagnoses/Sedan
EL-200
Page 1760 of 2898
DIAGNOSTIC PROCEDURE 2 (KEY SWITCH INSERT
SIGNAL CHECK)
=NJEL0374S04
1 CHECK KEY SWITCH INPUT SIGNAL
Check voltage between time control unit terminal 18 and ground.
SEL990W
OK or NG
OK©Key switch is OK.
NG©GO TO 2.
2 CHECK KEY SWITCH (INSERT)
Check continuity between terminals 1 and 2.
SEL922W
OK or NG
OK©Check the following.
+10A fuse [No. 12, located in fuse block (J/B)]
+Harness for open or short between key switch and fuse
+Harness for open or short between time control unit and key switch
NG©Replace key switch.
WARNING CHIME
Trouble Diagnoses/Sedan (Cont'd)
EL-202
Page 1764 of 2898

System Description/HatchbackNJEL0453The warning chime is controlled by the time control unit.
The warning chime is located in the time control unit.
Power is supplied at all times
+through 15A fuse [No. 5, located in fuse block (J/B)]
+to time control unit terminal 9.
+through 10A fuse [No. 12, located in the fuse block (J/B)]
+to key switch terminal 1.
+through 10A fuse (No. 38, located in the fuse and fusible link box)
+to lighting switch terminal 11.
With the ignition switch in the ON or START position, power is supplied
+through 10A fuse [No. 10, located in the fuse block (J/B)]
+to time control unit terminal 1.
Ground is supplied to time control unit terminal 16 through body grounds M28 and M67.
When a signal, or combination of signals, is received by the time control unit, the warning chime will sound.
IGNITION KEY WARNING CHIMENJEL0453S01With the key in the ignition switch in the OFF position, the driver's door open and driver's door locked, the
warning chime will sound. Power is supplied
+from key switch terminal 2
+to time control unit terminal 22.
Ground is supplied
+from body grounds B9 and B21
+through front door switch (driver side) terminal 2
+to time control unit terminal 6, and
Ground is interrupted,
+from body grounds M28 and M67
+to time control unit terminal 35
LIGHT WARNING CHIMENJEL0453S02With ignition switch OFF, driver's door open, and lighting switch in 1ST or 2ND position, warning chime will
sound. Power is supplied.
+from lighting switch terminal 12
+to time control unit terminal 10
Ground is supplied
+from front door switch (driver side) terminal 2
+to time control unit terminal 6.
Front door switch (driver side) terminal 3 is grounded through body grounds B9 and B21.
WARNING CHIME
System Description/Hatchback
EL-206
Page 1767 of 2898
Trouble Diagnoses/HatchbackNJEL0455SYMPTOM CHARTNJEL0455S01
REFERENCE PAGE (EL- ) 209 210 211 212 213
SYMPTOM
POWER SUPPLY AND
GROUND CIRCUIT CHECK
DIAGNOSTIC PROCEDURE 1
(LIGHTING SWITCH INPUT
SIGNAL CHECK)
DIAGNOSTIC PROCEDURE 2
(KEY SWITCH INSERT
SIGNAL CHECK)
DIAGNOSTIC PROCEDURE 3
(DOOR UNLOCK SENSOR CHECK)
DIAGNOSTIC PROCEDURE 4
Light warning chime does not acti-
vate.XX X
Ignition key warning chime does not
activate.XXXX
All warning chimes do not activate. XX
POWER SUPPLY AND GROUND CIRCUIT CHECKNJEL0455S02Power Supply Circuit CheckNJEL0455S0201
SEL447X
Ground Circuit CheckNJEL0455S0202
SEL448X
WARNING CHIME
Trouble Diagnoses/Hatchback
EL-209
Page 1769 of 2898
DIAGNOSTIC PROCEDURE 2 (KEY SWITCH INSERT
SIGNAL CHECK)
=NJEL0455S04
1 CHECK KEY SWITCH INPUT SIGNAL
Check voltage between time control unit terminal 22 and ground.
SEL433X
OK or NG
OK©Key switch is OK.
NG©GO TO 2.
2 CHECK KEY SWITCH (INSERT)
Check continuity between terminals 1 and 2.
YEL786C
OK or NG
OK©Check the following.
+10A fuse [No. 12, located in fuse block (J/B)]
+Harness for open or short between key switch and fuse
+Harness for open or short between time control unit and key switch
NG©Replace key switch.
WARNING CHIME
Trouble Diagnoses/Hatchback (Cont'd)
EL-211
Page 1817 of 2898

carried out. Subsequently, when the repaired audio unit is delivered to the final user again, it will be in the
ªNEWº state as to enable re-linking the audio unit to the vehicle's immobiliser system. As a result of the above,
repair of the audio unit can only be done by an authorized Clarion representative.
SPEED DEPENDENT VOLUME CONTROLNJEL0381S06DescriptionNJEL0381S0601If activated, the radio output volume will be automatically adjusted to compensate for increasing driving noises
at higher driving speeds.
The radio receives a speed signal from the vehicle speed sensor (VSS) and selects the output volume.
PERSONAL AUDIO SETTINGSNJEL0381S07DescriptionNJEL0381S0701The radio is designed to store several settings (volume, bass, treble, preset stations and level of speed
dependent volume control) with every NATS ignition key used. Up to a maximum of 4 NATS keys can be reg-
istered. During the communication as mentioned under ªAnti-Theft Systemº, the radio will recognize the used
ignition key and select the accompanying settings.
AUDIO
System Description/Sedan (Cont'd)
EL-259