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No.
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TECH 1 Display
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Conditions for
Checking
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Nominal Value
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Trouble Codes
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Terminal
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|
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27
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I.MIRROR H. POS.
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Ignition ON
Turn inside mirror to left and right
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13 % 0.14 V
to
94 % 4.67 V
|
19
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4,
5, 8
26-pin
plug
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Note:
The value displayed alters constantly within the specified
range depending on the programmed end stops.
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Notes on Trouble-shooting:
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Nominal Value:
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Cause of fault:
(If nominal value is not
attained)
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· Ignition OFF
· Remove inside mirror
· Release 12-pin wiring harness
connection for inside mirror and separate
· Ignition ON
· Using multimeter, measure voltage in
12-pin wiring harness coupling between Ter. 4 and Ter. 5
|
approx. 5 V
|
· Interruption or short circuit to ground
in body wiring harness between 12-pin wiring harness coupling and control
unit K103
· Short circuit to battery voltage in
body wiring harness between 12-pin wiring harness coupling and control unit
K103
|
|
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· Ignition OFF
· Using multimeter, measure resistance in
12-pin wiring harness coupling between Ter. 7 and ground
|
higher than 200 kW
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· Short circuit to ground in body wiring
harness
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· Using multimeter, measure voltage in
12-pin wiring harness coupling between Ter. 7 and ground
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lower than 0.5 V
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· Short circuit to battery voltage in
body wiring harness
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· Using multimeter, measure resistance in
12-pin wiring harness plug for inside mirror
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between
Ter. 4 and Ter. 5
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approx.
1.25 kW
|
· Vertical or horizontal potentiometer on
inside mirror motor M29 defective (interruption)
· Interruption between 12-pin wiring
harness plug and potentiometer on inside mirror motor M29
|
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between
Ter. 5 and Ter. 6
|
200 W -
2.5 kW
|
· Interruption between 12-pin wiring
harness plug and potentiometer on inside mirror motor M29
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between
Ter. 4 and Ter. 6
|
200 W -
2.5 kW
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· Interruption between 12-pin wiring
harness plug and potentiometer on inside mirror motor M29
|
|
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· Ignition OFF, disconnect battery
negative terminal
· Remove driver's seat
· Release 26-pin wiring harness plug from
control unit and disconnect
· Using multimeter, measure resistance
between 26-pin wiring harness plug Ter. 8 and 12-pin wiring harness coupling
Ter. 7 (inside mirror connection)
|
lower than 2 W
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· Interruption in body wiring harness
between 26-pin wiring harness plug for control unit and 12-pin wiring harness
coupling (inside mirror connection)
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Further possible faults:
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· Inside mirror defective
· Control unit K103 defective
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