Hyundai Genesis: Power Trunk Module / Power Trunk Open/Close Switch Troubleshooting
Hyundai Genesis (DH) 2013-2016 Service Manual / Body Electrical System / Power Trunk Module / Power Trunk Open/Close Switch Troubleshooting
| Troubleshooting |
Diagnosis And Testing - Power Trunk Lid System
The power trunk lid system is a complex system containing
many components. In order to perform accurate testing, or receive
outputs the power trunk lid control module must be checked.
The most reliable, efficient, and accurate means to diagnose
the power trunk lid system requires the use of a scan tool and the
proper Body Diagnostic Procedures manual. The scan tool can be used to
observe current switch status recorded in the power trunk lid control
module to help the technician diagnose an inoperative switch.
Before any testing of the power trunk lid system is
attempted, the battery shall be fully charged, and the module shall
recognize all limiting conditions of the system (Refer to power trunk
lid system description for list).
Following is a diagnostic table for quick reference to help when diagnosing and testing the power trunk lid system.
| NO | Item | Specification description | Output |
| Form | |||
| 1 | A_VBAT | Bat Voltage on PTM | Voltage(V) |
| 2 | Hall SNSR power voltage | Hall sensor voltage PTM input | |
| 3 | LED ON/OFF | Vbatt Power (between 9.0v and 16v) | ON/OFF |
| 4 | Trunk Lid Latch SW | Trunk main Switch | |
| 5 | P_Striker_SW | Trunk Lid outside Handle switch | |
| 6 | Trunk_Trim_Close SW | Trunk Inner Push Button | |
| 7 | Trunk_INR_Push Button | Trunk Trim Close | |
| 8 | Trunk Lid O/S HDL SW | Power Striker Switch | |
| 9 | Trunk main SW | Trunk Lid Latch Switch | |
| 10 | Vbatt Power Voltage in Range | LED On/Off | |
| 11 | Drive Motor Operating Voltage | Drive motor Open/Close voltage PTM output | Voltage(V) |
| 12 | Power Striker Operating Voltage | Power Striker motor Pop-up/Close Voltage PTM output | |
| 13 | Trunk Lid Position | Current Trunk position in counter | % |
| 14 | Unknown Trunk Lid Position Flag | Learn ProcessComplete Status | ON/OFF |
| 15 | Learn Process Complete Status | Unknown Trunk Lid Position Flag | ON/OFF |
| 16 | Most recent close time (P/Strikeer) | Most recent close time | ms |
| 17 | 2ND Most recent close Time (P/Strikeer) | 2ND Most recent close time |
DTC Diagnosis
| NO | DTC Code | DTC Diagnosis details |
| 1 | number Of DTC | Number of trouble code |
| 2 | CAN ERR | CAN Communication error |
| 3 | CAN BUSOFF | CAN LINE error |
| 4 | ECU | RAM, Flash Memory, EEPROM |
Power Trunk Open/Close Switch Repair procedures
Inspection
1.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
2.
Check for continuity between terminals (A) of the power trunk switch.
Removal
1.
Disconnect t ...
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