Checking data bus wiring
WARNING: This page is about a different variant/trim than selected.
Display group number 125
- Press keys 1, 2 and 5
- Confirm entry with key Q.
- There are always 4 display zones -arrows- in the measured value block. Decoding the individual values in display zones 1 to 4 can be read-off from the following tables.
Indicated on display: (vehicle stationary)
| Read measured value block 125 → Engine 1 St.ang. 1 4WD 1 Gear.1 |
Press C key for the next display group number entry.
If the → key is pressed, keys 0 and 8 for work sequence "Read measured value block" must be pressed again afterwards to regain entry.
| Read measured value block | 125 → | Display group number: 125 | ||
| Engine 1 |
St.ang. 1 |
4WD 1 |
Gear. 1 |
← Indicated on display (example) |
Data Bus for transmission1)
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Data bus for all-wheel drive2)
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Data bus for steering angle
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Data bus for engine
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1) Vehicles with automatic transmission only.
- Incorrect transmission control module or incorrect transmission control module coding.
- Transmission control module malfunction.
Refer to 01 ON BOARD DIAGNOSTIC (OBD) for 4 SPD. AUTOMATIC TRANSMISSION 01M ON BOARD DIAGNOSTIC (OBD) and 01 ON BOARD DIAGNOSTIC (OBD) for 5 SPD. AUTOMATIC TRANSMISSION 09A ON BOARD DIAGNOSTIC (OBD) for relevant transmission code.
2) For 4MOTION vehicles only
3) Data bus connection is interrupted or data bus wires are interchanged.
Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations binder.