Lev Product Training Relays

Presented by: Gil Garcia

Clean Air Power, Inc.

LEV Products Dual-Fuel Training Course October 17, 2008

Dual-Fuel Relay Diagnostics

System Components 

Relay harness 

Five relays (Non-waste gate 4 relays) • K1 – ECUPWR

K1 – ECUPWR Relay To Mode and KA Power Relays To ECU P1, Pin F1 Ground (12 v Neg)



30

86

Un-Switched Power

87 K1

85

Switched Power Diode

Energizes from ignition circuit 

Sends power to Mode relay



Sends power to KAPWR relay



Sends power to ECU connector P1, pin F1

System Components 

Relay harness 

Five relays (Non-waste gate 4 relays) • K1 – ECUPWR • K2 – Mode

K2 – Mode Relay Switched Power Mode Light To ECU P1, Pin G3 Ground (12 v Neg)



86

87A K2

85

Power from ECUPWR Relay

Controls Mode light 



30

Light gets constant ground (negative) from NC contacts

Relay receives power from ECUPWR relay 

Opens ground (negative) to Mode light when energized

System Components 

Relay harness 

Five relays (Non-waste gate 4 relays) • K1 – ECUPWR • K2 – Mode • K3 – KAPWR

K3 – KAPWR Relay Power from ECUPWR Relay Diode 30 To ECU P1, Pin A1

86

87 K3

85

Switched Power

Diode



Power from ECUPWR relay



Energizes - ground (neg) from ECU P1, A1  

Latches itself in once energized Keeps power to Eagle a few seconds after key off to write data from EPROM to EEPROM

System Components 

Relay harness 

Five relays (Non-waste gate 4 relays) • • • •

K1 K2 K3 K4

– – – –

ECUPWR Mode KAPWR SOLPWR

K4 – SOLPWR Relay Power to ECU (P1, J2), SOV, waste gate, TAB, and 7.5 amp fuse To ECU P1, Pin A1. Same neg as KAPWR

 

30

86

Un-Switched Power

87

K4

85

Switched Power Diode

Gets power from ignition circuit Energizes with ground (negative) from ECU 

Sends power to SOV, WG, TAB, injector fuse



Sends power to ECU connector P1, pin J2

System Components 

Relay harness 

Five relays (Non-waste gate 4 relays) • • • • •

K1 K2 K3 K4 K5

– ECUPWR – Mode – KAPWR – SOLPWR - Waste Gate Relay

K5 – Waste Gate Relay Wastegate Sol A

B

30 Power from K4 - SOLPWR relay

 

86

87 K5

85

Ground (12v Neg) To ECU P1, Pin D3

Gets power from SOLPWR relay (K4) Energizes with ground (negative) from ECU 

Sends ground (12v neg) to Wastegate solenoid

System Components 

Relay harness 

Five relays (Non-waste gate 4 relays) • • • • • •

K1 – ECUPWR K2 – Mode K3 – KAPWR K4 – SOLPWR K5 – Waste gate relay Mode light

Mode Light Mode Light To ECU P1, Pin G3 Ground (12 v Neg)

Switched Power

30

K2

87A



Mode light gets 12v from ignition



Mode light gets negative from NC K2 contacts  Once 

Mode relay is energized

Mode light then gets negative from the ECU (P1, G3)

System Components 

Relay harness 

Five relays (Non-waste gate 4 relays) • • • • • • •

K1 – ECUPWR K2 – Mode K3 – KAPWR K4 – SOLPWR K5 – Waste gate relay Mode light Diagnostic connector

Diagnostic Connector



Connects to Serial Interface or extension

THE END