SAFARI

ELECTRICALS 42 Fig. 52 Fig. 53 17H. EGR Controller (for 4DL TCIC) : Function It gets inputs from engine FIP throttle switch speed signal through alternator, glow plug supply and AC. The output is given to EGR solenoid switch which further controls operation of EGR valve. Location It is located on the firewall inside the engine compartment. Table connection details : TER. TER. DESCRIPTION ACTIVE CONDITION NAME TYPE LEVEL E Ground Ground to GND Permanent point C Input Glow plugs VCC Glow plug supply ON B Input Throttle switch VCC I/P till throttle pedal reaches set limit A Output Output to EGR GND As per Solenoid Table 1 D Input Engine RPM Pulses As per from alternator Table 1 J Input Air conditioner VCC Air conditioner supply ON H NC Not used -- -- Performance Check : IGEN THROTTLE GLOW AC ENGINE EGR SUPPLY SWITCH PLUG ON REV. VALVE SUPPLY FREQ. SIGNAL (H3) -- TER. B TER. C TER. TER. D TER. A J 0 0 X X X Float 1 0 X X X Float 1 1 1 X X Off 1 1 0 0 X On 1 1 0 1 <334 Off 1 1 0 1 >334 On 1=VCC, 0=GND / No supply / Float X=Don’t Care