Summary
This technical bulletin addresses an issue with fluid ingress into the Central Junction Box (CJB) on Jaguar XF models from 2012 to 2015. The problem can cause multiple warning lights to illuminate on the Instrument Cluster.
The cause of the issue is fluid ingress through the front end wiring harness and washer pump. The bulletin provides a service instruction to repair the CJB and modify the wiring harness.
Repair Procedure
The repair involves removing the cowl side trim panel, disconnecting the CJB connector, and inspecting for moisture and corrosion. If corrosion or moisture is found, the CJB must be removed, and the wiring harness modified using a harness repair kit.
The bulletin also provides detailed instructions for assembling a water blocking splice and connecting it to the wiring harness.
Manual:
Download: Technical Bulletin JTBOO37ZNAS1: Fluid Ingress Into Central Junction Box (XF Model Year 2012-2015)
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