BE/Body Electrical System — Cruise Control Computer Circuit Inspection of Computer Circuit, page 80

BE-80
BODY ELECTRICAL SYSTEM — Cruise Control System

Wire Harness Side
[Diagram showing connector pins labeled 1|2|3 4|5 6|7|8|9 10|11 12|13|14 15|16|17]
5-W1

Cruise Control Computer Circuit
INSPECTION OF COMPUTER CIRCUIT

Disconnect the computer connector and inspect the connector on the wire harness side as shown in the chart below.

Connection or
Measure Item | Check For | Tester Connection | Condition | Specified Value

Stop Fuse | Voltage | 16 - Body ground | Brake pedal depressed | Battery voltage

Stop Light Switch | Voltage | 15 - Body ground | Brake pedal released | No voltage

Stop Light Switch
and Release Valve | Resistance | 2 - 14 | Brake pedal released | Approx. 68 Ω

Control Valve | Resistance | 4 - 14 | — | Approx. 30 Ω

Main Relay | Voltage | 10 - Body ground | Turn ignition switch and main switch on | Battery voltage

Main Relay | Voltage | 10 - Body ground | Turn ignition switch or main switch off | No voltage

Cruise Control
Indicator | Voltage | 3 - Body ground | Turn ignition switch on | Battery voltage

Cruise Control
Indicator | Voltage | 3 - Body ground | Turn ignition switch off | No voltage

Control Switch
(set/coast) | Resistance | 17 - Body ground | Push set/coast switch on | Approx. 198 Ω

Control Switch
(resume/accel) | Resistance | 17 - Body ground | Push resume/accel switch on | Approx. 68 Ω

Control Switch
(cancel) | Resistance | 17 - Body ground | Push cancel switch on | Approx. 418 Ω

Speed Sensor | Continuity | 7 - Body ground | Vehicle moving slowly | 1 pulse each
40 cm (15.75 in.)

Clutch Switch (M/T)
or Neutral Start
Switch (A/T) | Continuity | 11 - Body ground | Clutch pedal depressed or shifted into
"N" range | Continuity

Clutch Switch (M/T)
or Neutral Start
Switch (A/T) | Continuity | 11 - Body ground | Clutch pedal released or shifted into
only range except "N" and "P" range | No continuity

Parking Brake
Switch | Voltage | 12 - Body ground | Disconnect alternator connector and
ignition switch turned on with parking brake lever pulled up | No voltage

Parking Brake
Switch | Voltage | 12 - Body ground | Disconnect alternator connector and
ignition switch turned on with parking brake lever released. | Battery voltage

Vacuum Switch
(7M-GTE only) | Continuity | 9 - Body ground | Apply vacuum about 170 mmHg
(0.03 in.Hg, 22.7 kPa) | No continuity

Vacuum Switch
(7M-GTE only) | Continuity | 9 - Body ground | No vacuum | Continuity

Vacuum Pump
(7M-GTE only) | Continuity | 1 - Body ground | — | Continuity

Body Ground | Continuity | 13 - Body ground | — | Continuity