Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Test Cables (M04 02 02)
Reference number: M04 02 02
TEST CABLES
TECHNICAL SERVICE BULLETIN
| MINI: | R50 |
| GROUP: | Tools and Equipment |
SUBJECT
Test CablesΒ
MODEL
R50
SITUATION
Distribution of the following tools will be through the Automatic Tool Shipment Program. Additional tools may be purchased through your PDC. All special tools in the MINI repair manual carry the prefix "88 88 0 XXX XXX" or "90 88 0 XXX XXX". Check the prefix in the parts computer before ordering special tools from the repair manual.
TOOL INFORMATION
2 pin test cable
PN 90 88 0 649 100
Used to test the coolant temperature sensor.
- Unplug the coolant temp sensor
- Connect the test cable between the sensor & supply wire
- Perform measurements as instructed by the diagnosis program
4 pin test cable
PN 90 88 0 127 360
Used to test the Intake air temp/pressure sensor.
- Unplug the sensor
- Connect the test cable between the sensor & supply wire
- Perform measurements as instructed by the diagnosis program
9 pin test cable
PN 90 88 0 631 020
Used to test headlight.
- Unplug the main headlight
- Connect the test cable between the main headlight & supply wire
- Perform measurements as instructed by the diagnosis program
40 pin test cable
PN 90 88 0 127 240
Used to test the EMS2000 control module.
- Connect the test cable to the 105 pin B.O.B. 614 390
- Unplug the 40 pin connector from the CM
- Connect the test cable between the CM & the supply wire
- Perform measurements as instructed by the diagnosis program
81 pin test cable
PN 90 88 0 127 250
Used to test the EMS2000 control module.
- Connect the test cable to B.O.B. 614 380
- Unplug the 81 pin connector from the CM
- Connect the test cable between the CM & the supply wire
- Perform measurements as instructed by the diagnosis program
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
