TJ33617
Service Bulletin Details
Public Details for: TJ33617
This is a technical journal: front seat heater, function control. If not working check the heating grid wiring.
Models from 2018
2018 VOLVO S90 |
2018 VOLVO V90 |
2018 VOLVO V90CC |
2018 VOLVO XC60 |
2018 VOLVO XC90 |
2018 VOLVO XC90H |
Models from 2016
2016 VOLVO XC90 |
2016 VOLVO XC90H |
VOLVO CAR SERVICE AND PARTS BUSINESS Technical Journal TITLE: Front seat heater, function control REF NO: ISSUING DEPARTMENT: CAR MARKET: TJ 33617.1.0 Technical Service United States and Canada PARTNER: ISSUE DATE: STATUS DATE: 3 US 7510 Volvo Car USA 2018-07-03 2018-07-11 FUNC GROUP: FUNC DESC: 8527 Electrical heating Page 1 of 8 “Right first time in Time” Attachment File Name TJ 33617.pdf File Size 2.4450 MB Vehicle Type Type Eng Eng Desc Sales Body Gear Steer 234 235 236 238 246 256 Model Year Plant 2017-9999 2017-9999 2017-9999 2018-9999 2018-9999 2016-9999 Chassis range 0000350-0999999 0000160-0999999 0000098-0999999 0000161-0999999 0000389-0999999 0000561-0999999 Struc Week Range 201617-999952 201624-999952 201646-999952 201646-999952 201717-999952 201505-999952 CSC Customer Symptom Codes Code UW Description Front seat/Seat heating does not work or too hot VST Operation Number VST Operation Number 98714-2 Description Heater pad front seat fault trace acc. to TJ33617 Produced in the USA and available as an electronic document. Hard copy documents are printed in USA on recycled paper containing a minimum of 50% wastepaper and 10% post-consumer waste. © 2018 VOLVO CAR USA, LLC Technical Journal 33617.1.0 DTC Diagnostic Trouble Codes Text DESCRIPTION: If the front seat heaters do not work, check the heating grid wiring by measuring, follow instruction under Service. SERVICE: Measure according to attached instruction. VEHICLE REPORT: Yes, please submit a Vehicle Report if the service solution described in this TJ has no effect. Use concern area “Vehicle Report” and sub concern area “Support not needed”, use function group 8527. To view TJ attachment continue to next page. This TJ has one attachment. Page 2 of 8 2018-07-11 Volvo Car Customer Service Title Front seat heater Action Issue 1 Product fix Date 2018-06 Reason First issue Affected vehicles Model year Model 2017 S90 (17-) 2018, 2019 S90L 2017, 2018, 2019 2017, 2018, 2019 2018, 2019 2016, 2017, 2018, 2019 V90 (17-) V90 Cross Country XC60 (18-) XC90 (16-) Description MULTIMETER (DIGITAL) Special tools Part No. 951 0060 TJ Instruction VCC-512761-1 Page 1(6) Operation number: 98714-2 TJ Instruction VCC-512761-1 Page 2 ( 6 ) Removal Color symbols Note! This colour chart displays (in colour print and electronic version) the importance of the different colours used in the images of the method steps. 1 . Used for focused component, the component with which you will do something. 2 . Used as extra colors when you need to show or differentiate additional parts. 3 . Used for attachments that are to be removed/installed. May be screws, clips, connectors, etc. 4 . Used when the component is not fully removed from the vehicle but only hung to the side. 5 . Used for standard tools and special tools. 6 . Used as background color for vehicle components. TJ Instruction VCC-512761-1 Page 3 ( 6 ) Note! Orientation view TJ Instruction VCC-512761-1 Page 4 ( 6 ) Check Check the voltage. Special Tool: T9510060, MULTIMETER (DIGITAL) Check the value. YE = Yellow BU = Blue If the measurement results give normal values, continue to the section Checks, below. Check Disconnect the connector. TJ Instruction VCC-512761-1 Page 5 ( 6 ) Check the control unit. Special Tool: T9510060, MULTIMETER (DIGITAL) Set multimeter for diode measurement. Connect red probe to the terminals black cable. Connect black probe to the terminals yellow cable. Check the value. YE = Yellow BK = Black If the measurement results give normal values, continue to the section Checks, below. If the result of the checking procedure is not OK, the component must be replaced with a new component. Check Connect the connector. TJ Instruction VCC-512761-1 Page 6 ( 6 ) Check the LIN communication. Start the engine. Special Tool: T9510060, MULTIMETER (DIGITAL) Set multimeter for VAC measurement. Check the value. GN = Green BU = Blue If the measurement results give normal values, continue to the section Checks, below. Check Check the heating coil. Start the engine. Special Tool: T9510060, MULTIMETER (DIGITAL) Set multimeter for VDC measurement. Check the value. Correct heaters: The voltage shall normally be 5 V (DC) when the heating is active and 0 V (DC) when the heating is off. Incorrect value of heating element backrest cushion: Always 7V Incorrect value of heating element cushion: Always 0 V (DC). BU = Blue BK = Black If the result of the checking procedure is not OK, the component must be replaced with a new component. Installation To install, reverse the removal procedure.