Hyundai Sonata: PDM(Power Distribution Module). Repair procedures - Button Engine Start System - Body Electrical System - Hyundai Sonata YF 2011-2019 Service ManualHyundai Sonata: PDM(Power Distribution Module). Repair procedures

Inspection

PDM Diagnosis With GDS
1.
It will be able to diagnose defects of Smart key with GDS quickly.
GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.
2.
Select model and "Smart key system (Button start)" menu if you want to check PDM.

3.
Select "PDM" in the manu.

4.
Select "Current Data", if you want to check current data of PDM.
It provides the input/output status of each module.

5.
If you want to check PDM data operation forcefully, select "Actuation test".

Input/output Current Data
NO
Description
Unit
1
Load Battery Voltage
V
2
Abs Speed Sensor(main)
Km/h
3
Start Stop Button SW
OFF/ON
4
ACC input
OFF/ON
5
IGN1 Input
OFF/ON
6
IGN2 Input
OFF/ON
7
Fob In Switch
RELEASE/INSERT
8
Start Relay Monitoring Input

9
SSB Ember LED Output
OFF/ON
10
SSB Blue LED Output
OFF/ON
11
Fob Holder Illumination Output
OFF/ON
12
SSB Illumination Output
OFF/ON
13
ACC Relay Output
OFF/ON
14
IGN1 Relay Output
OFF/ON
15
IGN2 Relay Output
OFF/ON
16
Start Relay S1 Output
OFF/ON
17
-
-
18
-
-
19
CPU Battery Voltage
V
20
Engine Speed
DATA*1.0
21
ACC Relay SCB
OFF/ON
22
IGN1 Relay SCB
OFF/ON
23
IGN2 Relay SCB
OFF/ON
24
Start Relay SCB
OFF/ON
25
SCC Relay Open
OFF/ON
26
IGN1 Relay Open
OFF/ON
27
IGN2 Relay Open
OFF/ON
28
ACC Output SCB
OFF/ON
29
IGN1 Output SCB
OFF/ON
30
IGN2 Output SCB
OFF/ON
31
Start Output SCB
OFF/ON
32
ACC Output SCG
OFF/ON
33
IGN1 Output SCG
OFF/ON
34
IGN2 Output SCG
OFF/ON
35
Start Output SCG
OFF/ON

Actuation Test
No.
Description
1
SSB Ember LED
2
SSB Blue LED
3
Fob Holder Illumination
4
SSB Illumination
5
ACC Output
6
ING1 Output
7
ING2 Output
8
Start Output
9
-

ESCL OPEN STATUS CHECK
1.
Select the "ESCL open status check" menu if you want to check ESCL open.


Removal

1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box housing.
(Refer to the BD group - "Crash pad")
3.
Remove the smart key unit (A) and PDM (B) with bracket after loosening the mounting nuts (2EA) and screw (1EA).

4.
In case of Canada, remove the PDM with bracket (A) after loosening the mounting nuts and screws and shear bolt.

Do not reuse the shear bolts. When installing the new shear bolts to the smart key unit, tighten the shear bolts until its head is cut off.
5.
Remove the PDM from the bracket after disconnecting the connectors.

Installation

1.
Install the power distribution module.
2.
Install the glove box housing.

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