Notes On Avoiding Damage To Ignition System - AH15.10-P-0002-01V
Engine 133, 139, 152.9, 157, 176, 177, 178, 256.9, 260, 270, 273, 274, 276, 278, 282
Engine 264 in model 167, 205, 213, 222, 238, 253, 257
Engine 266.920/940/960/980 in model 169.0/3, 245.2
Engine 271
Engine 272
Shown on engine 272
Shown on engine 272
Model 906 only
Disconnect all batteries before working on the ignition system.
Otherwise, the ignition system will be damaged.
All models
- Before disconnecting the electrical connectors, switch off the ignition and store the transmitter keys outside the transmission range (at least 2 m).
- Disconnect the battery before disconnecting the electrical connector (L) from the ME-SFI [ME] control unit.
- Only install genuine parts into the ignition system.
- Do not operate ignition system if the lines are not fully connected.
- At starting speed or when the engine is running, do not detach the electrical connectors from the ignition coils.
- At starting speed or when the engine is running, do not unplug the ignition coils from the spark plugs.
- Before conducting any operations at starting speed check, e.g. the compression pressure, and turn the key in the EIS [EZS] control unit to the "0" position.
Additionally for model 169, 245:
- Do not unplug the ignition lines from the ignition coil or the spark plugs at starting speed or when the engine is running.
- Check ignition line including the sheath and replace, if necessary.