Toyota 4Runner: Relay(for Windshield Deicer)
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE DEICER RELAY (DEICER)
|
(a) Remove the deicer relay from the engine room relay block. Text in Illustration
|
|
2. INSPECT DEICER RELAY
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(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
3 - 5 |
Battery voltage is not applied to terminals 1 and 2 |
10 kΩ or higher |
|
3 - 5 |
Battery voltage is applied to terminals 1 and 2 |
Below 1 Ω |
If the result is not as specified, replace the deicer relay.
3. INSTALL DEICER RELAY
(a) Install the deicer relay to the engine room relay block.
Relay(for Window Defogger)
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE DEFOGGER RELAY (DEF)
(a) Remove the defogger relay from the engine room relay block.
Text in Illustration
...
Other materials about Toyota 4Runner:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
This DTC is stored when the engine switch power source supply line is open or
shorted.
DTC Code
DTC Detection Condition
Trouble Area
B278A
The engine switch power source supply line i ...
0.018