
THEFT-ALARM SYSTEM
Troubleshooting
SUB FUSIBLE LINK
individual part:
switch
Refer to GROUP
When the hood is closed (the hood switch is switched OFF),
HIGH-level signals are sent to the ECU.
When the hood is opened (the hood switch is switched ON),
LOW-level signals are sent to the ECU.
ECU terminal voltage (Connection condition of the ECU
connector).
ECU
terminal No.
Signal
Condition
Terminal
voltage
Open
ov
Hood switch
Hood
Closed
Measurement is not possible by using a voltmeter, but is
possible by using an oscilloscope.
Checking the hood switch circuit (Disconnect the connector of
the ECU and check at the wiring harness side).
ECU
Connected
terminal to/measured Measurement
Check condition
Standard
No.
Hood switch Resistance @-ground
Closed
Hood
Open Continuity
Summary of Contents for Laser 1991
Page 4: ...8 4 GROUNDING LOCATION GROUNDING LOCATION c Engine compartment ...
Page 7: ...DIODE LOCATION 8 7 Interior Rear section ...
Page 24: ...8 24 NOTES ...
Page 42: ...8 42 NOTES ...
Page 72: ...8 72 CIRCUIT DIAGRAMS MPI Circuit 2 OL DOHC Engine Non Turbo ...
Page 84: ...CIRCUIT DIAGRAMS Cooling Circuit 35 AC U0602 NC ...
Page 94: ...8 94 CIRCUIT DIAGRAMS ELC 4 Speed Automatic Transaxle Circuit c D i a g n o s i s ...
Page 103: ...CIRCUIT DIAGRAMS Air Conditioner Circuit 84 03 16A0712 1 Heater relay i ...
Page 110: ...8 110 CIRCUIT DIAGRAMS Buzzer Circuit COMPONENTS LOCATION Name Symbol Seat belt timer A ...
Page 119: ... CIRCUIT DIAGRAMS Anti Lock Braking System ABS Circuit 8 713 16AO734 light connector ...
Page 120: ...8 120 CIRCUIT DIAGRAMS Anti Lock Braking System ABS Circuit ...
Page 129: ...Auto cruise indicator light I Vehicle speed sensor Reed switch 1eAo728 ...
Page 140: ......
Page 315: ...NOTES ...
Page 316: ...NOTES ...
Page 317: ...NOTES ...
Page 318: ......
Page 319: ...NOTES ...
Page 320: ... I ...