K4M engine
The R37 connector of the circuit between the engine harness and the injection harness is shown in the figure.
Switch off the ignition.
Disconnect the battery. Disconnect the R37 connector of the circuit between the engine harness and injection harness (4).
M4R engine
Connectors:
- R20 circuit between engine harness and ignition harness;
- R24 circuit between engine harness and injection harness;
- R67 circuit between vehicle front wiring harness and engine wiring harness.
Switch off the ignition.
Disconnect the battery.
Remove the engine top cover.
Disconnect:
- connector R20 circuit between engine harness and ignition harness (1);
- connector R24 circuit between engine harness and injection harness (2).
Disconnect the R67 connector of the circuit between the vehicle front wiring harness and the engine wiring harness (3).
Protection and switching unit
Remove the cover (1) block of protection and switching.
Disconnect the latches securing the Protection and Switching Unit.
Attention. To prevent problems from occurring (noise, premature wear, short circuit, etc.) after installation, mark the wiring harness route and connector connection.