Diagnosis troubleshooting alarm system

Porsche 964 Alarm Unit

The alarm control unit is diagnosable. It can be read out only with System Tester 9288. The menu includes the following functional groups. For some of the faults, two types of causes must be distinguished - The fault displayed is an actual fault that has to be remedied. - The fault displayed is a fault condition that has been caused deliberately, e.g. by leaving the open glove compartment open. Troubleshooting requires that the person performing the tests - is familiar with the location of...

Retrofitting of a telephone set

Porsche 964 Fuse Panel

Vehicles not prepared for fitting of a telephone set may be retrofitted with a telephone. Component installation position and cable routing in the vehicle - Antenna cable to transmitter-receiver unit Component installation position Note Retrofitting is described taking the Philips Porty unit as an example. Fitting of other telephone sets may require certain changes. Do not modify the routing of the cables, however, since this may cause malfunctions during operation of the car. Mounting brackets...

964 Oil Temperature Sensor

Diagnostic Porsche 964

Air temperature at center nozzle vs. ambient temperature The heater and or air conditioner can be checked with a 9288 System Tester or 9268 Tester. The 9268 tester is connected in the 19-pin diagnosing socket with help of adapter leads 9268 2 and 9288 1. 9288 System Tester see Repair Group 03, Self-diagnosis. 9268 Tester see information brochure on diagnosing DME, LH-EZK. The fault memory of the DME control unit must be read first. The fault memory of the heater and or air conditioner can be...

Pin assignments of alarm control unit connector

Porsche 964 Alarm Unit

4 - Anti-drive off feature 6-Term. 15 11 - Motor Closed Actuator door lock 12 - Motor Open Actuator door lock 3 - Luggage compartment contact 7 - Input 1, rear stowage compartment 10 - Central locking system position switch 11 - Central locking system button 12 - Central locking system position switch 20 - Central locking system button light Fault memory Overview of possible displays Voltage failure Term. 30 with active alarm system Input 3 to positive during activation Luggage comp. open...