Test Work instruction Result Possible causes of fault · TO3 Test: voltage short / open circuit in Gr

Test Work instruction Result Possible causes of fault TO3 Test: voltage short / open circuit in Greater No: signal circuit than 11 V -Short circuit to voltage/ open circuit in circuit between: .Ignition on Relayfor return pump socket terminal 6 .Measure voltage betweenthe and following terminals: PSMcontrol module Relayfor return pump socket wiring harness plug (wiring harness side) terminal 4 terminal 7 and or relay for return pump socket -PSM control module faulty terminal 6 104 TO4 Test: short to ground/ Greater No: open circuit in power supply circuit than 11 V -Short circuit to ground/ open circuit in circuit between: .Measure voltage between the fuse Fl output-side contact following terminals: and Relay for return pump socket terminal 2 relay for return pump socket terminal 2 and ground Note: The plug connection X 1/3I (terminal 1) is located in the wiring harness. Check the wiring harness for Yes: 105 pinching or chafing damage. 45 -D 134 IYes:I