AUTOMATIC TRANSMISSION
Fault finding - Fault Finding Chart23A
23A -135V5 MR-372-J84-23A100$928.mif
SIEMENS TA2005
Vdiag No.: 14-18
ALP6 Reversing lights do not work
NOTESOnly refer to Customer complaints after carrying out a complete fault finding
procedure with the diagnostic tool and the conformity check.
Check:
–the condition of the fuses in the UPC.
–the condition of the bulbs.
–the condition of the bulb contacts. Repair if necessary.
–Check that the earth is present for the following connections:
●connection code MAQ of component 172,
●connection code MZ of component 173.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring. Otherwise replace the wiring.
Switch off the ignition and disconnect the modular connector.
Switch on the ignition again and check for + 12 V after ignition feed on connection AP11 of component 485.
Switch off the ignition and check the continuity on the following connections, with the gear lever in position R:
●connection code H66P, between components 485 and 1337,
●connection code AP11, between components 485 and 1337.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring. Otherwise replace the wiring.
Check that the gear lever cable is correctly adjusted and check the instrument panel display.
If the continuity is faulty, replace the multifunction switch.
Switch on the ignition.
With the gear lever in position "R", check for + 12 V after ignition feed on the following connections:
●connection code H66P between components 172 and 1337,
●connection code H66P, between components 173 and 1337.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring. Otherwise replace the wiring.
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
DP0TA2005_V14_ALP06/DP0TA2005_V18_ALP06
