ZEST BOLT Service Manual

ENGINE 1.3L QUADRAJET (90PS) 102 The Instrument cluster receives Vehicle Speed Signal from sensor mounted on transmission. It buffers this signal & send it to EMS system. The instrument cluster receives signal from Engine temperature sensor which manages the bargraph/gauge Engine oil pressure Water in fuel signal fromWater in fuel & temperature sensor Immobilizer (E51) : - Immobilizer system is designed to prevent vehicle theft by electronically disabling the engine starting system. The engine can be started only with vehicle’s original immobilizer ignition key, which has an electronic identification code. The Engine Control unit is connected to Immobilizer via CAN through the pins 40 & 64. Vehicle speed Sensor (K57) :- It is mounted on transmission & is connected as follows, Power @ pin 3 from main relay Earth @ pin 1 Signal output @ pin2 to Instrument cluster Reverse Lamp Switch (L34) : Powered from Ignition switch Driver Information system (E51) : where ever fitted - The Engine Control unit (pin 7) provides Fuel consumption PWM signal to Driver Information system.