Multiplex Communication Circuit - Toyota ZZT230 series Repair Manual

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Multiplex Communication Circuit

CIRCUIT DESCRIPTION
Signals are transmitted between the ECM and combination meter through the communication circuit.
WIRING DIAGRAM
Engine
Control Module
c
Combi n ati o n Meter
L G- R 18
7
IE4 C1 MPX- TX+ C13}--' "-" -{
BODY SYSTEM
86
L C1
3 R -L 16
86
BodyECU
L
MPX1
1137 SO