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Input signal from the back-up lamp
switch is used to operate the rear wiper. If the signal
is abnormal, the rear wiper will not work normally.
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- Malfunction of the back-up lamp switch
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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![](../../../img/54/AC313381AB00ENG.png)
![](../../../img/54/AC313400AE00ENG.png)
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Q.
Is the check result normal?
Go to Step
2.
Repair
the defective connector.
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Check the back-up lamp switch
(Refer to GROUP 22B - Transmission ).
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Q.
Is the check result normal?
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Replace the
inhibitor switch.
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![](../../../img/54/AC313400AE00ENG.png)
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(1)Disconnect the connector, and
measure at the wiring harness side. (2)Ignition switch:
ON (3)Shift position: R position
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![](../../../img/54/AC312731AD00ENG.png)
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(4)Voltage between C-220 ETACS-ECU
connector terminal No.39 and body earth OK:
System voltage
Q.
Is the check result normal?
Replace the
ETACS-ECU.
Go to Step
4.
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![](../../../img/54/AC313381AB00ENG.png)
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(1)Disconnect the connector, and
measure at the wiring harness side. (2)Ignition switch:
ON
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![](../../../img/54/AC312731AE00ENG.png)
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(3)Voltage between B-110 back-up
lamp switch connector terminal No.2 and body
earth OK: System voltage
Q.
Is the check result normal?
Go to Step
5.
Go to Step
6.
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![](../../../img/54/AC313396AK00ENG.png)
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note |
Prior to the wiring harness
inspection, check intermediate connector C-18,
and repair
if necessary.
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- Check the input line for open circuit.
Q.
Is the check result normal?
Go to Step
7.
Repair
the wiring harness.
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![](../../../img/54/AC313397AC00ENG.png)
![](../../../img/54/AC313399AP00ENG.png)
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note |
Prior to the wiring harness
inspection, check joint connector C-116,
intermediate connector
C-18, junction block connectors C-202 and C-203,
and repair if necessary.
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- Check the power supply line to the ignition switch
(IG1) for open circuit.
Q.
Is the check result normal?
The trouble can be
an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ).
Repair the wiring
harness.
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Check that the back-up lamp switch
signal is received normally.
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Q.
Is the check result normal?
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|
The trouble can be
an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ).
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