1997 MERCEDES-BENZ ML430 auxiliary battery

AIR CONDITIONING (TAU) DIAGNOSIS FUNCTION CHECK ACTUAL VALUES - AD83.30-P-3001GH
MODEL 163 with CODE (580) Air conditioning or Tempmatic for USA
5
Recirculated air
mode function switch illuminated
Blower switch on stage 4Blower noise
increases significantly
Cables
Recirculated air
switch
Fresh
air/recirculated air
flap actuator motor
Air conditioning (TAU)
diagnosis previous
knowledge AD83.30-P-2000GH
Connect hand-held tester
(HHT), read out
diagnostic trouble code
memoryModel 163 up to 31.8.01AD00.00-P-2000-03C
Operational check
Test scope Operation /
Requirement Specification Possible cause / Remedy
01
Circuit 30 11-14 VWiring
Battery
02Ignition ON Operating temperature
approx. 80°CWiring
Temperature sensor
Coolant (B11/4)
All-activity module
(N10)
Engine temperature Start engine and warm up
to operating temperature.
03Ignition ON Season-dependent,
approx. 20° CWiring
Temperature sensor
Ambient air (B14)
All-activity module
(N10)
Outside temperature
04Ignition ON ONWiring
F1k21
Blower motor (M2)
All-activity module
(N10)
Blower power supply
relay (F1k21) Blower stage 4FROM
05Ignition ON ONWiring
F1k26
Auxiliary fan (M4) Auxiliary fan relay FROM

2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:17 PMPage 169 © 2006 Mitchell Repair Information Company, LLC.

REMOVAL & INSTALLATION
INSTALL AUXILIARY WIRING HARNESS - SM83.30-P-0009GH
MODEL 163.154 #A up to 289564, 163.154 #X, 163.136 /172 with CODE (580) Air conditioning (or
Tempmatic for USA)
Fig. 188: Identifying Auxiliary Wiring Harness Location

Operation no. of operation texts or standard texts and flat rates
CategoryOp.
no.Operation textTimeAcc.
no.Code
P023731INSTALLING MODIFIED WIRING HARNESS FOR
Additional fan (AFTER CHECKING)015WU/1.3h--
Removing
1Disconnect battery ground
cable AR54.10-P-
0003A
*BA54.10-
P-1017-01C
2Remove rear cover from
fuse and relay module (F1) 5 screws.
3
Remove mounting screws of
fuse holder on fuse and relay
module (F1) and lay down to


2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:19 PMPage 231 © 2006 Mitchell Repair Information Company, LLC.

Battery
Parts ordering notes
14
(2) into plug location 1 of
connector (ML/B) and close
connector housing.in connector.

15
Insert blue connector
(ML/B) at bottom of fuse
holder and fasten auxiliary
wiring harness (2) to
separated lead with adhesive
tape
Ensure that stripped wire ends are insulated with
adhesive tape.
16
Fasten fuse holder to fuse
and relay module with
screws

17Insert new 40 A fuse at
position f44 in fuse holder The larger line diameter of the auxiliary wiring
harness (2) allows installation of a 40 A fuse.
18Install in the reverse order
19Check function of additional
fan
NumberDesignationModel 163
BA54.10-P-1017-01CNut, ground cable to bodyNm18
Part no.DesignationQuantity
163 540 00 35Auxiliary wiring harness1
910153 000000Fuse, 40 A1

2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:19 PMPage 233 © 2006 Mitchell Repair Information Company, LLC.