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Zastrzeżenie
Battery discharges, vehicle can no longer be started
Przyczyna
A. Model 140.03/04/05/07
Time-delay dome lamp and reading lamp fail to switch off approx. 8 s after closing the front doors.
B. Model 140.03/04/05/07
Left or right turn signal lamp or headlamp is constantly on, even when the ignition is off.
C. Model 140.04/050/051 up to 30.06.92, model 140.056/057/076
Rpm increase not functioning.
D. Model 140.056/057
Intermittent increased quiescent current consumption of DIS/AKC [EZL/AKR] control unit manufactured by Bosch.
E. Model 140 with automatic air conditioning
Residual heat system switches on by itself after the ignition is switched off in vehicles with automatic air conditioning control and operating unit (N22) manufactured by Bosch.
F. Model 140.03/04/05 with automatic air conditioning and activated charcoal filter up to veh. ident. end no.
A 078972
Intermittent increased quiescent current consumption of automatic air conditioning control and operating unit (N22) manufactured by Kammerer.
G. Model 140.03/04/05
Intermittent increased quiescent current consumption due to alternator defect
H. Model 140 with MB radio
Quiescent current consumption of the radio after isolating the radio from the on-board power supply (e.g. disconnecting the battery) approx. 240mA (Exquisit) or approx. 150mA (Classic, Spezial)
I. Model 140 with immobilizer
The quiescent current consumption increases by approx. 35mA if an immobilizer is installed
J. Model 140.02/03/04/05/134
Intermittent quiescent current consumption due to leakage currents via the reflectors of the taillamps (E3/E4)
K. Model 140 with auto pilot system
Quiescent current consumption by the auto pilot system approx. 800 mA.
Środki zaradcze
Caution:
When performing a quiescent current measurement it is absolutely essential to connect the multimeter before disconnecting the battery ground cable. This is intended to prevent any closed-circuit accessories from being released, which is no longer reproducible when the battery ground cable is disconnected.
A. 1 Remove/install/replace time-delay dome lamp and reading lamp.
ra82001400011x, RA82-0011
Note: OK as of manufacturing date 052 (blue stamp on side of housing).
B. See AF68.40-P-2000A
C. 1 Check diode matrix. ra54001401433x, RA54-1433
D. 1 Check quiescent current consumption. ra540a1401030x, RA54-1030
If quiescent current consumption is approx. 500 mA.
2 Remove/install/replace DIS/AKC [EZL/AKR] control unit.
Note: DIS/AKC control units OK as of manufacturing date 270.
E. 1 Check quiescent current consumption.
If quiescent current consumption is > 50 mA: (ra540a1401030x, RA54-1030)
2 Check software release.
If software release is 62:
3 Remove/install/replace automatic air conditioning control and operating unit (N22).
Model 140 up to 31.08.95 AR83.40-P-6350D
Model 140 AR83.40-P-6350C
F. 1 Check quiescent current consumption.
If quiescent current consumption is approx. 200 mA. ra540a1401030x, RA54-1030
2 Check software release. dh0302pk00012x
Diagnosis Manual Climate Control Volume 1 - 3.2 12
If software release is 06:
3 Remove/install/replace automatic air conditioning control and operating unit (N22).
Model 140 up to 31.08.95 AR83.40-P-6350D
Model 140 AR83.40-P-6350C
G. 1 Check quiescent current consumption.
If quiescent current consumption is approx. 120 mA. (ra540a1401030x, RA54-1030):
2 Remove/install/replace alternator.
Engine 104 (ra150a1405032x, RA15-5032)
Engine 119 (ra150b1405032x, RA15-5032)
Engine 120 (ra150c1405032x, RA15-5032)
H. 1 Switch radio on/off or switch ignition/starter switch to position "ON" and "OFF"
Note: There is no fault in the radio. Do not replace the radio.
I. 1 When measuring the quiescent current, disconnect the immobilizer system or make allowance for its power consumption
J. 1 Switch off trunk illumination via the rotary tumbler/trunk lid microswitch (S88/1)
2 Remove bulbs from trunk illumination lamps (E3e7 and E4e7)
3 Check right taillamp (E3): Connect multimeter between W7/1 and E3e7 at ground point
(W7/1) and at upper contact spring on trunk lamp (E3e7)
Note: There is no fault if the measured resistance is between 100kohms and infinity.
Taillamps as of manufacturing date 1194 (on barcode label) or with green dots
on the upper faces of the threads are OK
4 Check left taillamp (E4): Connect multimeter between W6/1 and E4e7 at ground point
(W6/1) and at upper contact spring on trunk lamp (E4e7)
Note: There is no fault if the measured resistance is between 100k and infinity.
Taillamps as of manufacturing date 1194 (on barcode label) or with green dots
on the upper faces of the threads are OK
K. 1 Navigation processor run-on approx. 30 minutes.
There is no fault in the navigation processor. Do not replace the navigation processor.