Operation CHARM: Car repair manuals for everyone.

Service Hints

CIRCUIT OPENING RELAY
5 - 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
Voltage at engine control module wiring connector
BATT - E1 : Always 9.0 - 14.0 volts
+B - E1 : 9.0 - 14.0 volts (Ignition SW at ON position)
VC - E2 : Always 4.5 - 5.5 volts (Ignition SW at ON position)
VTA1 - 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 - 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 - E1 : 9.0 - 14.0 volts (Ignition SW at ON position)
: 0 - 3.0 volts (Engine idling)
SPD - E1 : Pulse generation (Ignition SW on and rotate driving wheel slowly)
W - E1 : 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 - EO1 : 9.0 - 14.0 volts (Ignition SW at ON position)
TC - E1 : 9.0 - 14.0 volts (Ignition SW at ON position)
STP - E1 : 7.5 - 14.0 volts (Ignition SW on and brake pedal depressed)
: 0 - 1.5 volts (Ignition SW on and brake pedal depressed)
TBP - E1 : 9.0 - 14.0 volts (Ignition SW on and disconnect the vacuum hose from the vapor pressure sensor)
PTNK - E1 : 3.0-3.6 volts (Ignition SW at ON position)
: 1.3 - 2.1 volts (Ignition SW on and apply vacuum 2.0 kpa)
OXS - E1 : Pulse generation (Maintain engine speed at 2500 rpm for two minutes after warming up)
KNKL, KNKR - E1 : Pulse generation (Engine idling)
IGT1, IGT2, IGT3, IGT4, IGT5, IGT6 - E1 : Pulse generation (Engine idling)
#10, #20, #30, #40, #50, #60 - E01 : 9.0 - 14.0 volts (ignition SW at ON position)
: Pulse generation (Engine idling)