FixVault

Test No. 14

Replace CPU.

CPU CONNECTOR PIN VOLTAGES & CONTINUITY (1) , (2)

Terminal Desired Condition
Joint Box Connectors
3H (Passenger Door Switch)
Door Open Yes
Door Closed No
3M (Driver Door Switch)
Door Open Yes
Door Closed No
3N (Key Reminder Switch)
Key Inserted Battery Voltage
Key Removed No Voltage
CPU 16-Pin Connector
1A (Starter Cut Relay)
Ignition On Battery Voltage
Ignition Off No Voltage
1B (Trunk Key Cylinder Switch)
Locked No Continuity
Unlocked (3) Continuity
1D (Trunk Switch)
Trunk Open Continuity
Trunk Closed No Continuity
1E (Hazard Switch)
Hazard Switch On No Voltage
Hazard Switch Off Battery Voltage
1F (Hood Switch)
Hood Open Continuity
Hood Closed No Continuity
CPU 20-Pin Connector
2D (Rear Door Switch)
Door Open Yes
Door Closed No
2F (Passenger Door Lock Link Switch)
Locked About 5 Volts
Unlocked No Voltage
2H (Driver Door Lock Link Switch)
Locked About 5 Volts
Unlocked No Voltage
2J (Rear Door Lock Link Switch)
Locked About 5 Volts
Unlocked No Voltage
2L (Passenger Door Key Cylinder Switch)
Unlocked (3) 0 Volts
Locked (4) 2.5 Volts
Neutral 5 Volts
2R (Driver Door Key Cylinder Switch)
Unlocked (3) No Voltage
Other 5 Volts
2M (Security Light), All Conditions Battery Voltage
2O (Horn Relay)
Horn Sounding No Voltage
Alarm No Voltage
Other Battery Voltage
(1) Measure voltage with CPU connector connected and ignition on, unless specified otherwise.
(2) Check continuity with ignition off and CPU connector disconnected.
(3) Hold key cylinder in unlocked position.
(4) Hold key cylinder in locked position.