8.5 Stop light switch circuit · Test Work instruction Result Possible causes of fault

8.5 Stop light switch circuit Test Work instruction Result Possible causes of fault T01 short to ground/open circuit Greater No: in signal circuit than 11 V -Short circuit to ground or open circuit between: .Ignition off PSM control module .Pull wiring harness plug off of: wiring harnessplug (wiring harness side) PSM control module terminal 42 .Ignition on and .Measure voltage between the plug connection X 1/3 following terminals: terminal 4 PSM control module and wiring harness plug (wiring harness ignition lock terminal 15 side) or terminal 42 -Stop light switch faulty and ground Note: The plug connection X 1/3 (terminal 4), stop light switch terminals 4, 1, jumper plug 14/2, fuse 87 and the connection point 124 are located in the wiring harness. Check the wiring harness Yes: 102 for oinching or chafing damage. TO2 Test: voltage short in signal circuit Less than No: 0.3 V -Short circuit to voltage between: .Brake pedal actuated PSM control module .Measure voltage betweenthe wiring harness plug (wiring harness side) following terminals: terminal 42 PSM control module and wiring harnessplug (wiring harness stop light switch terminal 4 side) or terminal 42 -Stop light switch faulty and ground Note: The plug connection X 1/3 (terminal 4) is located in the wiring IYes:103 harness. 45 -D 115 !Test: