Service Hints

CIRCUIT OPENING RELAY
1 - 2: Closed with starter running or measuring plate (Volume Air Flow Meter) Open

EFI MAIN RELAY
3 - 5: Closed with ignition sw. at ON or ST position

E4 - ENGINE COOLANT TEMP. SENSOR (FOR EFI)
1 - 2: 10.0 - 20.0 K Ohms (-20°C, -4°F)
4.0 - 7.0 K 0hms ( 0°C, 32°F)
2.0 - 3.0 K 0hms (20°C, 68°F)
0.9 - 1.3 K 0hms (40°C, 104°F)
0.4 - 0.7 K 0hms (60°C, 140°F)
0.2 - 0.4 K 0hms (80°C, 176°F)

E7 (A), E8 (B), E9 (C), E10 (D) - ENGINE CONTROL MODULE
BATT - E1: 9.0 - 14.0 Volts (Always)
+B1 - E1: 9.0 - 14.0 Volts (ignition sw. at ON position)
IDL - E1: 9.0 - 14.0 Volts (ignition sw. ON and throttle valve fully open)
- - - 0 - 3.0 Volts (ignition sw. ON and throttle valve fully closed)
VC - E2: 4.5 - 5.5 Volts (Always with ignition sw. at ON position)
VTA - E2: 0.3 - 0.8 Volts (ignition sw. ON and throttle valve fully closed)
- - - 3.2 - 4.9 Volts (ignition sw. ON and throttle valve fully open)
VG - E1: 4.0 - 5.5 Volts (ignition sw. at ON position)
THA - E1: 0.5 - 3.4 Volts (ignition sw. ON and intake air temp. 20°C, 68°F
THW - E1: 0.2 - 1.0 Volts (engine idling and coolant temp. 80°C (176°F)
#10 thru #60 - EO1: 9.0 - 14.0 Volts (ignition sw. at ON position)
- - - Pulse generation (engine idling)
IGT1 thru IGT6 - E1: Pulse generation (engine idling)
IGF - E1: 4.5 - 5.5 Volts (ignition sw. at ON position)
- - - Pulse generation (engine idling)
G22+ - G22- : Pulse generation (engine idling)
NE+ - NE- : Pulse generation (engine idling)
RSC, RSO - E1: Pulse generation (engine idling and A/C operation)
OXS, OXL, OXR - E1: Pulse generation (maintain engine speed at 2500 RPM for two minutes after warming up)
HTS,HTL,HTR - EO1: 9.0 - 14.0 Volts (ignition sw. at ON position)
- - - 0 - 3.0 Volts (engine idling)
KNKL, KNKR - E1: Pulse generation (engine idling)
NSW - E1: 9.0 - 14.0 Volts (ignition sw. ON and other shift position in "P", or "N" position)
- - - Below 3.0 Volts (ignition sw. ON and shift position in "P", or "N" position)
SP1 - E1: Pulse Generation (ignition sw. ON and rotate driving wheel slowly)
TE1 - E1: 9.0 - 14.0 Volts (ignition sw. at ON position)
W - E1: Below 3.0 Volts (Malfunction Indicator Lamp ON)
- - - 9.0 - 14.0 Volts (Malfunction Indicator Lamp OFF and engine running)
A/C - E1: Below 1.5 Volts (engine idling and A/C sw ON)
- - - 7.5 - 14.0 Volts (A/C sw OFF)
ACT - E1: 4.5 - 5.5 Volts (engine idling and A/C sw ON)
- - - Below 1.5 Volts (A/C sw OFF)
ACIS - E01: 9.0 - 14.0 Volts (ignition sw. at ON position)
STA - E1: 6.0 Volts or more (engine cranking)

I4, I5, I6, I7, I8, I9 - INJECTOR
2 - 1: Approx. 13.8 0hms

T1 - THROTTLE POSITION SENSOR
2 - 1: Less than 0.5 K 0hms with clearance between lever and stop screw 0.35 mm (0.014 in.)
2 - 1 Infinite With clearance between lever and stop screw 0.7 mm (0.276 in.)
3 - 1: 0.28 - 6.4 K Ohms with clearance between lever and stop screw 0 mm (0 in.)
3 - 1: 2.0 - 11.6 K Ohms with throttle valve fully open
4 - 1: 2.7 - 7.7 K Ohms Always