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Volvo ECS - Page 139

Volvo ECS
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139
ECS Gen. 2
Electrical
connections - 4x2
A16. ECS ECU
B30. Height sensor
B58. Pressure sensor
F49. Fuse - ignition supply
K11. Relay - battery supply to ECU
S66. Remote control
Y25. Solenoid valve - drive axle
ECU (A16) receives a varying voltage signal from height
sensor (B30) at pin (X1:28), representing chassis height.
ECU (A16) receives a varying voltage signal from pressure
sensor (B58) at pin (X1:23), representing chassis weight.
Pin (X2:22) provides the main earth connection for ECU
(A16). The common earth point also provides an earth path
for height sensor (B30).

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