Hyundai Venue: Rear Glass Defogger / Rear Glass Defogger Printed Heater. Repair procedures
Wrap tin foil around the end of the voltmeter test lead to prevent damaging
the heater line. Apply finger pressure on the tin foil, moving the tin
foil along the grid line to check for open circuits.
|

1. |
Turn on the defogger switch and use a voltmeter to measure the voltage
of each heater line at the glass center point. If a voltage of approximately
6V is indicated by the voltmeter, the heater line of the rear window
is considered satisfactory.

|
2. |
If a heater line is burned out between the center point and (+) terminal,
the voltmeter will indicate 12V.

|
3. |
If a heater line is burned out between the center point and (-) terminal,
the voltmeter will indicate 0V.

|
4. |
To check for open circuits, slowly move the test lead in the direction
that the open circuit seems to exist. Try to find a point where a voltage
is generated or changes to 0V. The point where the voltage has changed
is the open-circuit point.

|
5. |
Use an ohmmeter to measure the resistance of each heater line between
a terminal and the center of a grid line, and between the same terminal
and the center of one adjacent heater line. The section with a broken
heater line will have a resistance twice that in other sections. In
the affected section, move the test lead to a position where the resistance
sharply changes.

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Repair Of Broken Heater Line
Prepare the following items :
5. |
Using a thin brush :
Wipe the glass adjacent to the broken heater line, clean with silicone
remover and attach the masking tape as shown. Shake the conductive paint
container well, and apply three coats with a brush at intervals of about
15 minutes apart. Remove the tape and allow sufficient time for drying
before applying power. For a better finish, scrape away excess deposits
with a knife after the paint has completely dried. (Allow 24 hours).

|
Component Location
1. ICU Junction Block
2. Rear glass defogger switch (Manual type)
3. Rear glass defogger
switch (Auto type)
4...
Inspection
1.
In the body electrical system, failure can be quickly diagnosed by using
the vehicle diagnostic system (Diagnostic tool)...
Other information:
Engine Control Module (ECM)
[M/T]
ECM Terminal Function [M/T]
Connector [A]
Pin No
Description
Connected to
1
Injector (Cylinder #1) control output
Injector (Cylinder #1)
2
Sensor power (+5V)
Throttle Position Sensor (TPS) # 1, 2 [ETC module]
3
Sensor power (+5V)
Accelerator Position Sensor (APS) 1
4
Main Relay control output
Main Relay
5
-
-
6
Alternator signal input [FR]
Alternator
7
Engine coolant temperature sensor (ECTS) signal input
Engine coolant temperature sensor (ECTS)
8
Sensor ground
Manifold absolute pressure sensor (MAPS)
9
-
10
Sensor ground
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
11
-
12
-
13
CVVT Oil Control (OCV) Valve [Bank 1/Intake] control output
CVVT Oil Control Valve (OCV) [Bank 1 / Intake]
14
Sensor power (+5V)
Manifold absolute pressure sensor (MAPS)
15
Sensor power (+5V)
Accelerator Position Sensor (APS) #2
A/C Pressure Transducer (APT)
16
Sensor power (+5V)
CMPS [Bank 1 / Intake]
CMPS [Bank 1 / Exhaust]
17
Vehicle speed signal input
ABS/ESP Control Module [With ABS / ESP]
18
Battery voltage supply after ignition switch
Ignition Switch
19
Sensor ground
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
20
Sensor ground
A/C Pressure Transducer (APT)
21
Sensor ground
Battery sensor
22
-
23
-
24
-
25
Injector (Cylinder #2) control output
Injector (Cylinder #2)
26
Cooling Fan Relay [High] control output
Cooling Fan Relay [High]
27
Start relay control output (With smart key)
Start relay
28
Alternator control output [COM]
Alternator
29
C-CAN [Low]
Other control module, Data Link Connector (DLC),
30
-
31
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
32
Sensor ground
Crankshaft Position Sensor (CKPS)
33
Crankshaft Position Sensor (CKPS) signal input
Crankshaft Position Sensor (CKPS)
34
Sensor ground
Throttle Position Sensor (TPS) 1, 2
35
Sensor ground
Accelerator Position Sensor (APS) 2
36
Sensor ground
Accelerator Position Sensor (APS) 1
37
Injector (Cylinder #4) control output
Injector (Cylinder #4)
38
-
39
Engine RPM signal output
Smart key Control Module
40
Immobilizer communication line
Immobilizer Control module [Without Smart Key]
Smart Key Control module [With Smart Key]
41
C-CAN [High]
Other control module, Data Link Connector (DLC)
42
-
43
Purge Control Solenoid Valve control output
Purge Control Solenoid Valve (PCSV)
44
-
45
Injector (Cylinder #3) control output
Injector (Cylinder #3)
46
Cooling Fan Relay [Low] control output
Cooling Fan Relay [Low]
47
Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input
haft Position Sensor (CMPS) [Bank 1 / Intake]
48
Battery power (B+)
Battery
49
Heated Oxygen Sensor [Bank 1 / Sensor 1] Heater control output
Heated Oxygen Sensor [Bank 1 / Sensor 1]
50
Power Ground
Chassis Ground
51
-
52
Power Ground
Chassis Ground
53
Heated Oxygen Sensor [Bank 1 / Sensor 2] Heater control output
Heated Oxygen Sensor [Bank 1 / Sensor 2]
54
CVVT Oil Control (OCV) Valve [Bank 1 / Exhaust] control output
CVVT Oil Control Valve (OCV) [Bank 1 / Exhaust]
55
Battery voltage supply after main relay
Main relay
56
Battery voltage supply after main relay
Main relay
Connector [B]
Pin No
Description
Connected to
1
Sensor ground
Engine Coolant Temperature Sensor (ECTS)
2
Throttle position sensor (TPS) #2 signal input
Throttle position sensor (TPS) #2 [ETC Module]
3
Manifold absolute pressure sensor (MAPS) signal input
Manifold absolute pressure sensor (MAPS)
4
A/C Pressure Transducer (APT) signal input
A/C Pressure Transducer (APT)
5
-
6
-
7
Accelerator Position Sensor (APS) #1 signal input
Accelerator Position Sensor (APS) #1
8
-
9
-
10
-
11
Electric Load signal input (Defrost)
A/C Control Module, Outside Mirror
12
Brake switch 1 signal input
Brake lamp swtich , Brake switch
13
Heated Oxygen Sensor [Bank 1 / Sensor 2] signal input
Heated Oxygen Sensor [Bank 1 / Sensor 2]
14
Battery Sensor Temperature signal input
Battery sensor
15
Intake air temperature sensor (IATS) signal input
Intake Air temperature sensor (IATS)
16
Battery Sensor Current Direct signal input
Battery sensor
17
-
18
Accelerator Position Sensor (APS) #2 signal input
Accelerator Position Sensor (APS) #2
19
-
20
-
21
-
22
Throttle position sensor (TPS) #1 signal input
Throttle position sensor (TPS) #1
23
Brake Lamp Switch signal input
Brake Switch
24
Start switch signal input
Ignition switch
25
Sensor ground
Heated Oxygen Sensor [Bank 1 / Sensor 1]
26
-
27
Sensor ground
Knock sensor (KS)
28
-
29
Wheel speed sensor [B] signal input
Front wheel speed sensor (RH) [Without ABS]
30
Wheel speed sensor [A] signal input
Front wheel speed sensor (RH) [Without ABS]
31
-
32
Sensor ground
Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
33
Power Ground
Chassis Ground
34
Clutch Switch signal input
Clutch switch [M...
Diagnosis with Diagnostic tool
1.
In the body electrical system, failure can be quickly diagnosed by using
the vehicle diagnostic system (Diagnostic tool).
The diagnostic system (Diagnostic tool) provides the following information...
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