Operation CHARM: Car repair manuals for everyone.

D. Model Year 1985 California Version

EGR System Test (DE-02.11)

D. Model Year 1985 California Version

Test Conditions:
With throttle linkage correctly adjusted, connect tachometer, with engine at operating temperature, steering wheel in straight ahead position, climate control turned off, selector lever of automatic transmission in position "P" and battery voltage minimum 12 Volts.

Tools:




Functional Diagram Of Vacuum Line Routing:




Electrical Wiring Diagram:





Quick Test - Part 1 Of 2:








Quick Test - Part 2 Of 2:









Testing individual components

Testing Excess Voltage Protection Relay (85) - Part 1 Of 2:




Testing Excess Voltage Protection Relay (85) - Part 2 Of 2:





Testing Coolant Temperature Sensor (83):





Testing RPM Sensor (82):








Testing Fuel Rack Position Sensor:








Testing Vacuum Convertor (84) - Part 1 Of 2:







Testing Vacuum Convertor (84) - Part 2 Of 2:





Testing Switchover Valve (81):








Testing Air Recirculating Valve (71):