1995 TOYOTA SUPRA instrument panel

SENSOR
REVOLUTION DETECTING SENSOR
REMOVAL
1. REMOVE COMPRESSOR
(See page AC±86)
2. REMOVE REVOLUTION DETECTING SENSOR
Remove the 2 bolts and the revolution detecting sensor.
Torque: 6.0 NVm (60 kgfVcm, 52 in.Vlbf)
REVOLUTION DETECTING SENSOR
INSPECTION
(See page AC±39)
REVOLUTION DETECTING SENSOR
INSTALLATION
Installation is in the reverse order of removal.
SOLAR SENSOR REMOVAL
1. REMOVE INSTRUMENT PANEL
(See page BO±45)
2. REMOVE SOLAR SENSOR
Disconnect the harness and pull the solar sensor upward
from instrument panel.
SOLAR SENSOR INSPECTION
(See page AC±36)
SOLAR SENSOR INSTALLATION
Installation is in the reverse order of removal.
ROOM TEMPERATURE SENSOR
REMOVAL
1. REMOVE CENTER CLUSTER PANEL
(See page BO±45)
2. REMOVE ROOM TEMPERATURE SENSOR
(a) Disconnect the connector.
(b) Remove the aspirator hose.
(c) Remove the 2 screws and the room temperature sensor. AC±104
± AIR CONDITIONING SYSTEMSENSOR

INSPECTION PROCEDURE
(See page BE±123).
Check harness and connector between theft deterrent and door lock ECU
and indicator light, indicator light and body ground (See page IN±30).
(2) Remove instrument panel cluster finish panel.
(3) Disconnect telltale light RH connector.
Connect positive (+) lead to terminal 10 and neg-
ative (±) lead to terminal 9 of indicator light con-
nector.
Indicator light comes on.
Replace telltale light RH.
Repair or replace harness or connector.
Check and replace theft deterrent and door
lock ECU. *1*1: When there is a malfunction that the theft de-
terrent system cannot be set, proceed to the
next numbered circuit inspection shown on
matrix chart (See page BE±123).
Check indicator light
± BODY ELECTRICAL SYSTEMBE±129THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM

INSPECTION PROCEDURE
HINT: This troubleshooting is based on the premise that engine cranking occurs.
If the engine does not crank, proceed to engine troubleshooting on page EG±381 or 487 (Vol. 1).
(See page IN±30).
(1)Remove instrument panel panel.
(See BO section.)
(2)Disconnect the ECU connector.
Measure voltage between terminal SRLY of theft
deterrent ECU connector and body ground when
ignition switch is turned on.
Voltage: 10 ± 14 V
Check and replace theft deterrent ECU.
Check voltage between terminal SRLY of theft deterrent and door lock
ECU connector and body ground.
Check and repair harness and connector between starter and theft deterrent and door lock ECU
± BODY ELECTRICAL SYSTEMTHEFT DETERRENT AND DOOR LOCK CONTROL SYSTEMBE±131

INSPECTION PROCEDURE
(See page IN±30).
Check and repair harness and connector between theft deterrent and door lock ECU and horn
relay (See page IN±30).
(1) Remove instrument panel.
(See BO section)
(2) Disconnect the ECU connector.
Voltage: 10 ± 14 V
Replace telltale light RH.
Check and replace theft deterrent and door lock
ECU.
Check voltage between terminal HORN of theft deterrent and door lock
ECU connector and body ground.
Measure voltage between terminal HORN of theft
deterrent ECU connector and body ground.
± BODY ELECTRICAL SYSTEMBE±133THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM

INSPECTION PROCEDURE
HINT: The flow chart below is based on the premise that the headlights light up normally whenever the light con±
trol switch is operated. If headlight operation is not normal when the light control switch is operated, pro±
ceed to troubleshooting on page BE±11.
Check and replace theft deterrent and door lock
ECU.
Measure voltage between terminal HEAD of theft
deterrent ECU connector and body ground.
Voltage: 10 ± 14 V
Check and repair harness and connector between theft deterrent and door lock ECU headlight
control relay (See page IN±30).
Check voltage between terminal HEAD of theft deterrent and door lock
ECU connector and body ground.
(1) Remove instrument panel.
(See BO section)
(2) Disconnect the ECU connector.
± BODY ELECTRICAL SYSTEMBE±137THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM

INSPECTION PROCEDURE
(See page IN±30).
(1) Remove instrument panel.
(See BO section)
(2) Disconnect the ECU connector.
Check and replace theft deterrent ECU.
Measure voltage between terminal TAIL of theft
deterrent and door lock ECU connector and body
ground.
Voltage: 10 ± 14 V
Check and repair harness and connector between theft deterrent and door lock ECU taillight
control relay (See page IN±30).
Check voltage between terminal TAIL of theft deterrent door lock ECU
connector and body ground.
± BODY ELECTRICAL SYSTEMBE±139THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM

(See page IN±30).
Check for short in all the harness and
components connected to the CIG and ECU±IG
fuses (See attached wiring diagram).
(1) Remove instrument panel.
(See BO section)
(2) Disconnect the ECU connector.
(3) Turn ignition switch ON.
Check and replace theft deterrent and door lock
ECU.
Measure voltage between terminal IG and ACC of
theft deterrent ECU connector and body ground.
Voltage: 10 ± 14 V
Check and repair harness and connector between theft deterrent and door lock ECU and battery
(See page IN±30).
Check voltage between terminals IG and ACC of theft deterrent and door
lock ECU and body ground.
Continuity
Remove CIG and ECU±IG fuses from J/B NO. 1.
Check continuity of CIG and ECU±IG fuses.
Check CIG and ECU±IG fuses.
INSPECTION PROCEDURE
± BODY ELECTRICAL SYSTEMBE±141
THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM

INSPECTION PROCEDURES
(See page BE±123).
page BE±154).
Remove POWER M fuse from R/B No. 2
Check continuity of POWER M±fuse.
Continuity
Check POWER M±fuse.
Check for short in all the harness and components
connected to the DOOR fusible link (See attached
wiring diagram). *1
Proceed to next circuit inspection shown on matrix
chart (See page BE±123).
(1)Remove the instrument panel.
See BO section.
(2)Disconnect the ECU connector.
Measure voltage between terminals +B2 of ECU
connector and body ground.
Check voltage between terminals +B2 of ECU connector and body ground.
Voltage: 10 ± 14 V
*1: The power source is supplied to the actua-
tor (door lock motor, through the theft de-
terrent and door lock ECU. Accordingly, if
a short circuit of the W/H or actuator occurs
in the actuator circuit the POWER M±Fuse
may become OPEN, so also inspect the
actuator (door lock motor circuit on page
BE±154).Check and repair harness and connectors be-
tween ECU and battery (See page IN±30).
± BODY ELECTRICAL SYSTEMBE±153THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM