AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A - 62V3 MR-372-J84-23A000$450.mif
AJ0 BVA
Vdiag No.: 04, 05
DF183
PRESENT
OR
STOREDNO UCH MULTIPLEX SIGNAL
1.DEF: Multiplex frames absent or values invalid (fault with the computer generating
the signal or multiplex line connection fault)
NOTESEffect on system:
The "alarm mode" function for an open door is not operational and the lock-up is
inhibited (still open).
Use the Wiring Diagrams Technical Note, SCENIC II ph2.
Run a multiplex network test (see 88B, Multiplex).
Run a test on the UCH (see 87B, UCH).
Check the continuity and insulation against earth of the following connections:
●Connection code 3MS.
●Connection code 3MT.
Between components 119 and 120.
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 it.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by another
check with the diagnostic tool.
AJ0_V04_DF183/AJ0_V05_DF183
