S-44
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG WSM
DIESEL ENGINE
Glow Plug Harness
1. Disconnect the glow plug terminal (1).
2. Check the state of the harness and if it is abnormal, please
replace it.
3. Turn the key switch to the ACC position.
4. Measure the voltage between the glow pulg terminal (1) of the
connector (harness side) and chassis.
5. When the measurements are the below table value.
The ECU is normal. Some of the glow plugs are failure, then
please replace them.
6. When the measurements are out of the below table value.
The ECU is failure, then please replace it.
W1061770
Alternator
1. Disconnect the terminal L (2) of the alternator (2P).
2. Check the state of the harness and if it is abnormal, please
replace it.
3. Measure the resistance between the terminal L (2) of the
connector (harness side) and chassis.
4. When the measurements are the below table value.
The ECU is normal. The alternator is failure, then please replace
it.
5. When the measurements are out of the below table value.
The ECU is failure, then please replace it.
W1063000
Speed Switch
1. Check the state of the harness and if it is abnormal, please
replace it.
2. When the speed switch is turned ON and OFF, measure the
resistance between the speed switch (terminal side) (1) of it each
time.
3. When the measurements are the below table value.
The speed switch is normal. The ECU is failure, then please
replace it.
4. When the measurements are out of the below table value.
The speed switch is failure, then please replace it.
W1063856
Voltage Terminal - Chassis 12 V
(1) Glow Plug Terminal
Resistance Terminal L - Chassis Infinity
(1) Alternator (2) Terminal L (Harness Side)
Resistance
ON 0 Ω
OFF Infinity
(1) Speed Switch
(Terminal Side)
(A) Single Pole, Single Throw
(B) Single Pole, Double Throw
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