Location of sensors and relays.
1 - engine control unit,
2 - glow plug relay,
3 - main relay,
4 - sensor No. 1 intake air temperature / boost pressure sensor,
5 - camshaft position sensor,
6 - coolant temperature sensor,
7 - sealing ring (P/N - 99564-1200),
8 - engine oil emergency pressure sensor,
9 - crankshaft position sensor,
10, 12 - O-ring (P/N - 99562-1400),
11 - brake light switch,
13 - start inhibit switch.