AD80.35-S-3007A | Radio frequency locking (RFL) diagnosis operational check actual values | 14.5.97 |
MODEL 638
with CODE (FZ1) Central locking system with remote control
with CODE (FZ3) Convenience locking system
| Radio frequency locking system (RFL), arrangement of components | ||
Radio frequency locking system (RFL), diagnosis previous knowledge | |||
a | Fuses O.K. | ||
b | Battery voltage > 11 V | ||
c | Unlock vehicle using radio frequency locking system | ||
d | Ignition ON | ||
e | Connect Hand-held Tester, read out fault memory | ||
Scope of test/ actual value | Operation/requirement | Specified value | Possible cause/remedy |
Power supply, terminal 15 | Actuates the immobilizer monitoring lamp, among other things | ON | |
CL interface | Since the output to the central locking system or the convenience locking system is inactive in diagnosis mode, the normal status of is always OFF. If a fault occurs, e.g. + at the CL interface, the actual value is always ON. | OFF | |
Radio message receipt | Indicates the correct receipt of a radio message. After receipt of a radio message, transmitter key closed or opened, "Receipt " appears for a short time. Physically correct receipt does not mean that the radio message is correctly coded! Transmitter key activated Transmitter key not activated |
for short time | |
Transmitter key 1 - 8 activation status | The transmitter key activation status indicates whether a key has been activated or deactivated. The activation status cannot be modified using the HHT. | Depending on activation status |
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