Other information:
System Operation
System Diagram - Rear Window Defrost
Item
Description
1
BJB
2
HVAC Module
3
MS-CAN
4
Rear Window Defrost Grid
5
GWM
6
BCM
7
HS-CAN1
8
LIN
Network Message Chart - Rear Window Defrost
BCMC Network Input Messages
Broadcast Messa..
Diagnostic Trouble Code (DTC) Chart
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Module
DTC
Description
Action
PCM
P0420:00
Catalyst System Efficiency Below Threshold (Bank 1): No Sub Type Information
GO to Pinpoint Test HF
PC..