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187 Ppid 1133

The document describes an engine speed control switch used to select the engine speed. It provides the switch model number, wiring diagram, and specifications for control cables and voltages corresponding to different switch positions. The summary also notes how to check the speed control switch mode using the electrical system and analog inputs of the SDU and verifying the position with switch steps 1-9.

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3K views1 page

187 Ppid 1133

The document describes an engine speed control switch used to select the engine speed. It provides the switch model number, wiring diagram, and specifications for control cables and voltages corresponding to different switch positions. The summary also notes how to check the speed control switch mode using the electrical system and analog inputs of the SDU and verifying the position with switch steps 1-9.

Uploaded by

xuan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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187 PPID1133

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Valid for serial numbers


Model Production site Serial number start Serial number stop
EW145B Volvo

Description and measuring

SW2701 Engine speed control switch


Function The switch is used to select the engine speed.
Wiring diagram

JA14, frame ground


JA39, signal line
JB11, power supply cable
Control unit/ Frame ground cable ≈ 0 Ω
cable harness: 1
- Frame ground

1) 2) 3) 4)
Supply cable 3 ≈ U bat
- Frame ground

1) 2) 3)
Specific part of JA39 - JA14 ≈ 0.3–4.5 V
system:
Engine speed control I2 mode: 0.3 V
switch to move
variable position. H mode: 4.5 V 1) 2) 3)

Checking speed
control switch mode 1) Electrical system of SDU 2) Analog inputs 3) check the
position using by switch step 1~9 of speed control sw
SDU.

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