FixVault

Test No. 14

Replace CPU.

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

Terminal Desired Condition
16-Pin Connector
1E (Door Switch)
All Doors Closed No Continuity
Any Door Open Continuity
1I (Ign. Key Reminder Switch)
Key Inserted Battery Voltage
Key Removed No Voltage
20-Pin Connector
2A (Horn Relay)
Horn On No Voltage
Horn Off Battery Voltage
2B (Headlight Relay)
Headlights On No Voltage
Headlights Off Battery Voltage
2C (Starter Cut Relay), Ign. On Battery Voltage
2D (Security Light), All Conditions Battery Voltage
2F (Door Key Cylinder Switch)
Unlocked (3) No Voltage
Except Unlocked About 1 Volt
2H (Trunk Key Cylinder Switch)
Unlocked (3) No Voltage
Except Unlocked About 1 Volt
2J (Trunk Switch)
Trunk Switch On No Voltage
Trunk Switch Off Battery Voltage
2K (Driver Door Lock Link Switch)
Locked Battery Voltage
Unlocked No Voltage
2L (Passenger & Rear Door
Lock Link Switches)
Unlocked Continuity
Locked No Continuity
2M (Hazard Switch)
Hazard Switch On No Voltage
Hazard Switch Off Battery Voltage
2N (Hood Switch)
Hood Switch Open No Continuity
Hood Switch Closed Continuity
(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.