EEC-IV Outputs Resistance Values

NOTE: Component values are typical. Measurements taken in the field may vary slightly. Pin Nos. are the Breakout box pin numbers and may vary from vehicle to vehicle. Refer to application pin usage charts. All listed components are not on all vehicles. Engine should be at normal operating temperature.

EEC-IV SYSTEM OUTPUTS RESISTANCE CHECKS

Application

Pin Nos. + (-)

Key Off Throttle Closed Ohms

KOEO Volts

Hot Idle Volts

Canister Purge CANP) ⁽¹⁾

37 (31)

60-70

Computed Spark Advance (DIS)

36 (16)

N/A

9.-12.5

8.5-9.5

Computed Spark Advance (TFI)

36 (16)

N/A

5-7

Spark Angle Word (SAW)

36 (16)

N/A

.5-.7

EGR Valve Regulator (EVR)

37 (33)

40-50

0 (OFF)

Fuel Pump Relay (FP)

37 (22)

N/A

0 (OFF)

VBAT (ON)

Idle Speed By Pass (IBA)

37 (21)

9.5-11.5

0 (OFF)

2.-5.5

Injectors Bank 1 ⁽²⁾

37 (58)

N/A

Injectors Bank 2 ⁽²⁾

37 (59)

N/A

⁽¹⁾	Refer to pin usage chart to ensure correct usage for this application.

⁽²⁾	Refer to resistance chart in CIRCUIT TEST H for correct values.