ESC MITSUBISHI 3000GT 1996 2.G Owner's Manual

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LCHASSIS ELECTRICAL
- Theft-alarm System54-231
Fwbklink (6)A-26
8=’ Theft-
alarm
ECUA 27
i
1 *horn
al
Z16FO342
TO Ecu
auO-U-RS4I2-YI
12. THEFT ALARM HORN ACTIVATION ClRCUlT
Description of operation
The ECU transistor is turned ON if the vehicle door, etc. are
opened without use of the key.
This energizes the theft alarm horn relay to activate the horn.
Checking the horn activation circuit (Disconnect the connector
of the ECU, then short-circuit terminal connector No. 58, and
activate the theft alarm horn relay.)
13. HEADLIGHT POWER-SUPPLY CIRCUIT
Description of operation
Power voltage is always supplied to the headlight relay.
Checking the headlight power-supply circuit (Disconnect the
headlight relay)
Check objectNormalMal-condi-func-CausetiontionRemedy
(Wiring
harness12 vovside) terminal volt-Fusible link (3)Replace theblownfusible link
age (5-Ground)Damaged or dis-Repair the har-connected har-nessness
1 TSB Revision

Downloaded from www.Manualslib.com manuals search engine 54-232CHASSIS ELECTRICAL - Theft-alarm System
14. HEADLIGHT ACTIVATION CIRCUIT

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Description of operationThe ECU transistor is turned ON if the vehicles
door, etc. are opened without use of the key. This
energizes the headlight relay to active the headlight.Checking the headlight activation circuit (Disconnect
the connector of the ECU, then short-circuit terminalconnector 2, and activate the headlight relay.)
TSB Revision

Downloaded from www.Manualslib.com manuals search engine 54-234CHASSIS ELECTRICAL - Theft-alarm System
15. STARTER RELAY ACTIVATION CIRCUIT
lgnlllonKey reminderBattery
switch (STIswtch
B-23l-
Starter motor
Lo03 52“:
&Y
. ..--N. OYa.’ ‘pa3
PI/l i M/T
Theft-
alarm
starter
relay
IC-56
A1
ECUm
PANWNEUTNLl. PONlTlON WITCH:1(prom 1993 NODEL)
:2cm2 N@nEL>216Fcas
Description of operationThe ECU transistor is turned ON if the vehicle door etc. are opened without use of the key. This turns
OFF the starter relay and power ceases to be supplied to the starter magnet switch.
Checking the starter relay activation circuit (Disconnect the connector of the ECU, depress fully the clutch
pedal and activate the starter relay)
SW
1
t
2Check object
Starter relay terminal voltage
(2-Ground)
Startermotor terminal
(1 -Ground)I
Normal
condition
12v
12v
:
Malfunc-
tion
ov
ov
Cause
Malfunction of the starter
relay
Harness damaged or dis-
connected:
Remedy
Check the starter relay
Repair the harness
(Starter motor connector B-24: Separation)
3Continuity between “B-24” 0
Q-clDamaged magnet switchReplace magnet switch
connector and ground
( TSB Revision