1997 MERCEDES-BENZ ML320 turn signal

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Page 3527 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Fig. 7: Identifying Electrical Connection Set (201 589 00 99 00)
COMPATIBILITY CHECK FOR GARAGE DOOR OPENER - AD68.05-P-2000-02A
Program compatibility tester
1. Connect compatibility tester to cig

Page 3731 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual
AR88.70-P-9040GI
Remove/install outside rearview mirror paneling
27.2.01

MODEL
163.113 /154 /174 #A as of 289565,

163.113 /154 /174 #X as of 754620,

163.128 /157 /175

P88.70-2107-11

1
Mirro

Page 3734 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual
GF54.30-P-4104A
Outside temperature display, location/function
8.7.99

MODEL
129

MODEL
140 as of 1.6.96

MODEL
170

MODEL
163, 202 with CODE (240a) Outside temperature display

MODEL
202 a

GF54.30-P-4104A
Outside temperature display, location/function
8.7.99

MODEL
129

MODEL
140 as of 1.6.96

MODEL
170

MODEL
163, 202 with CODE (240a) Outside temperature display

MODEL
202 as of 1.8.96

MODEL
168

MODEL
208 up to 31.7.99,

210 as of 1.6.96 up to 30.6.99

To display the temperature, the
outside temperature indicator

A1p4
requires:

D
the outside temperature

D
the speed signal

D
the engine running time

and
D
the coolant temperature (model 129, and model 140 as of
1.6.96, model 170, model 202 as of 08/96 and model 163,

model 168, model 210)

The outside temperature is determined by the outside temperature

indicator temperature sensor B14. The temperature sensor is

installed at the front left of the vehicle under the bumper and

connected to the instrument cluster A1 via the 21 or 25-pin

connector, coding part A terminal 1 and 2.

The speed signal, engine running time and engine temperature are

determined internally by the instrument cluster A1.

Since the outside temperature display depends on the speed, engine

running time and coolant temperature, high temperatures (influenced

by the heat generated by the engine, for example) are not displayed

when the vehicle is stationary or moving slowly.
Function, model 202 until 08/95

When the ignition is switched on and off and at speeds below approx.

20 km/h, the last temperature measured is stored and displayed.

If the measured outside temperature drops below the stored value,

the current measured temperature is displayed.

If the outside temperature rises above the stored value, the current

measured outside temperature is displayed only after the following

delays:

D
When the engine is not running, the current outside

temperature is only displayed after 6 times the engine running

time. For example, if the preceding running time was 5 minutes,

the current temperature is not displayed until after 30 minutes.
The maximum delay, however, is 1 hour.

Up to 09.94

D
At vehicle speeds between 20-60 km/h, outside temperatures

are displayed after a delay of approx. 5 min.

D
At vehicle speeds over 60 km/h, outside temperatures are

displayed after a delay of approx. 2 minutes.

As of 09.94

D
At vehicle speeds between 20-45 km/h, outside temperatures

are displayed after a delay of approx. 3 min.

D
At vehicle speeds over 45 km/h, outside temperatures are

displayed after a delay of approx. 1.5 min.

Function

Model 129, model 140 as of 1.6.96, model 170, model 202 as of

08/96, model 163, model 168, model 208 and model 210

D
When the ignition is turned on or off

and with an engine temperature < 60°C

the current temperature is always stored and displayed.

D
When the ignition is turned off

and with an engine temperature < 60°C

the temperature last measured is stored and displayed.

D
When the ignition is turned on

and when an engine temperature < 60(C

The stored temperature is displayed.
If the measured outside temperature drops below the stored value,

the current measured temperature is displayed.

If the outside temperature rises above the stored value, the current

measured outside temperature is displayed only after the following

delays:

D
When the engine is not running, the current outside

temperature is only displayed after 6 times the engine running

time. For example, if the preceding running time was 5 minutes,

the current temperature is not displayed until after 30 minutes.
The maximum delay, however, is 1 hour.

D
At vehicle speeds between 20-45 km/h, outside temperatures

are displayed after a delay of approx. 3 minutes.

D
At vehicle speeds above 45 km/h, outside temperatures are

displayed after a delay of approx. 1.5 minutes.

Copyright DaimlerChrysler AG 05.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 1

Page 3857 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual different engine loads, e.g. power steering turned to full lock, engaging drive mode, switching on AC
compressor
different mixture, e.g. from activated charcoal canister if purging activated

different engine loads, e.g. power steering turned to full lock, engaging drive mode, switching on AC
compressor
different mixture, e.g. from activated charcoal canister if purging activated (depending on activated
charcoal charge)
Function
The actuator EFP/TPM/LLR (additional designation: throttle valve actuator) regulates the idling speed by
changing the throttle valve position. It is actuated by the ME-SFI control unit.
The ME-SFI control unit actuates the throttle valve motor (M16/1 m1) in line with the input signals received at
the ME-SFI control unit (N3/10).
Heating speed of the catalytic converter
In order to warm up the catalytic converter more rapidly to operating temperature, engine speed is increased in
the idle speed range to 1100 up to 1500 rpm for about 20 seconds after each starting procedure at coolant
temperatures of < 40 °C. When a Drive position is engaged, engine speed is immediately controlled to a lower
value.
Automatic transmission
When a drive position is engaged, a lower engine speed is controlled in order to reduce the creeping tendency o
f
the vehicle. The information "Drive position engaged/not engaged" is transmitted by the ETC control unit
(N15/3) over the CAN databus to the ME-SFI control unit.
Ignition angle
To assist the idle speed control, the ignition angle can be retarded by as much as 36° crank angle or advanced by
as much as 20° crank angle from the calculated specified value.

The control in the idle speed range by altering the ignition angle reacts more rapidly than altering the position o
f
the throttle valve.
The idling speed can be influenced with HHT or the STAR DIAGNOSIS.
AC compressor
In order to avoid engine speed dropping in the idle speed range when the AC compressor is engaged, the AC
push-button control unit (N19) or automatic air conditioning push-button control unit (N22) supplies a signal to
the ME-SFI control unit (as of approx. 6/96 over CAN) and the opening cross-section of the throttle valve is
enlarged.
When the air conditionin
g unit is switched on and the external temperature exceeds 35° C the idling speed on

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY CAB Throttle Control, Speed Control Systems - 163 Chassis
me
Saturday, October 02, 2010 3:36:27 PMPage 17 © 2006 Mitchell Repair Information Company, LLC.

Page 3900 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 5
Remove key and engage steering lock

6
Unscrew bolt (32c)

Hold the steering wheel (32).

Installation:
Replace bolt (32c).

*BA46.10-P-1001-02A

7
Pull off steering wheel (32)

Pass cables

Page 3960 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual
AD54.30-P-5000-03A
Directly controlled display instruments

troubleshooting chart IC

Directly controlled display instruments or indicator

lamp/warning message:

D
Outside temperature indicator

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