Service Hints
CIRCUIT OPENING RELAY5 - 3 : Closed with the starter running
EFI RELAY
5 - 3 : Closed with the ignition SW at ON or ST position
E5 (A), E6 (B), E7 (C), E8 (D), E9 (E) ENGINE CONTROL MODULE
BATT - E1 : Always 9.0 - 14.0 volts
VC - E2 : 4.5 - 5.5 volts (Ignition SW at ON position)
VTA - E2 : 0.3 - 1.0 volts (Ignition SW on and throttle valve fully closed)
: 3.2 - 4.9 volts (Ignition SW on and throttle valve fully open)
VG - E2G : 1.1 - 1.5 volts (Engine idling and A/C SW off)
THA - E2 : 0.5 - 3.4 volts (Engine idling and intake air temp. 20 °C, 68 °F)
THW - E2 : 0.2 - 1.0 volts (Engine idling and coolant temp. 80 °C, 176 °F)
IGF - E1 : 4.5 - 5.5 volts (Ignition SW at ON position)
: Pulse generation (Engine idling)
SIL - E1 : Pulse generation (During transmission)
TACH - E1 : Pulse generation (Engine idling)
STA - E1 : 6.0 volts or more (Engine cranking)
FC - E01 : 9.0 - 14.0 volts (Ignition SW at ON position)
SPD - E1 : Pulse generation (Ignition SW on and rotate driving wheel slowly)
W - E01 : Below 3.0 volts (Ignition SW at ON position)
NSW - E1 : 9.0 - 14.0 volts (Ignition SW on and other shift position in P or N position)
: 0 - 3.0 volts (Ignition SW on and shift position in P or N position)
EVP1 - E01 : 9.0 - 14.0 volts (Ignition SW at ON position)
STP - E1 : 7.5 - 14.0 volts (Ignition SW on and brake pedal depressed)
: Below 1.5 volts (Ignition SW on and brake pedal released)
KNKL - E1 : Pulse generation (Engine idling)
PSW - E1 : 9.0 - 14.0 volts (Ignition SW at ON position)
HAF1A, HAF2A - E04 : Below 3.0 volts (Engine idling)
IGSW - E1 : 9.0 - 14.0 volts (Ignition SW at ON position)
MREL - E1 : 9.0 - 14.0 volts (Ignition SW at ON position)
G22+, NE+ - NE- : Pulse generation (Engine idling)
OCV+ - OCV- : Pulse generation (Ignition SW at ON position)
HT1B, HT2B - E1 : 9.0 - 14.0 volts (Engine idling)
: Below 3.0 volts (Ignition SW at ON position)
AF1A+, AF2A+ - E1 : 3.3 volts (Ignition SW at ON position)
AF1A-, AF2A- - E1 : 3.0 volts (Ignition SW at ON position)
OX1B, OX2B - E1 : Pulse generation (Maintain engine speed at 2500 rpm for 90 sec. after warming up)
IGT1, IGT2, IGT3, IGT4 - E1 : Pulse generation (Engine idling)
#10, #20, #30, #40-E01 : 9.0 - 14.0 volts (Ignition SW at ON position) Pulse generation (Engine idling)