43
ELECTRICALS
17C. CHIME UNIT
Fig. 46
Function
It generates an output signal in some faulty
condition / usage and passes it to the Buzzer
Unit for various abnormal conditions as
mentioned below.
Seat belt open and key in ignition position.
Head lamps ‘ON’ with key out and door open
key in and door open.
Location
Behind glove box on fire wall.
Fig. 46
Connection details
Terminal Name Pin Type
Description
Active Level
Condition
H
Input
Driver door switch
GND
Door Open
J
Input
Head Lamp Switch
VCC
Head Lamp on
D
Input
Seat Belt Switch
GND
Seat belt attached
C
Input
Ignition Switch
VCC
“Key in” Position
A
Output
Output from unit
VCC
See Perf. Check
B
Supply
Supply to unit
VCC
Permanent
E
Ground
Ground to unit
GND
Permanent
Output is Inactive in case of -
After 10 +3 sec. of start of chiming
Change in Input condition rnakes output
Inactive.
Performance check
Input
Output
Key in Driver
Head Seat
switch door
lamp belt
switch switch switch
Active
Active
----
-----
Active
Inactive Active Active -----
Active
Active Inactive
-----
Inactive Active




