Checking data bus wiring
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 from the following tables.
| Read measured value block 125 → → 1 → 2 → 3 → 4 |
Indicated on display: (vehicle stationary)
| Read measured value block 125 → Engine 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 |
AWD 1 |
Gear. 1 |
← Indicated on display (example) | |
| Vacant | ||||
Data bus connection for transmission1)
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Data bus for all-wheel drive2)
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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 faulty.
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) All-wheel drive vehicles with Haldex coupling only.
3) Data bus connection is interrupted or data bus wires are interchanged.
Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations binder.