Servicing; Lighting System; Checking - wsm L503 Workshop Manual

L3130 · L3430 · L3830 · L4630 · L5030, WSM

(3) Servicing

(A) Air Conditioner Unit

[4] LIGHTING SYSTEM

(1) Checking

(A) Working Light
Evaporator
1. Check whether while powder or dust is attached to the
evaporator (1). If they are attached, wash them off with warm
water and blow them off with compressed air.
NOTE
• In case the evaporator is cleaned with warm water, cap the
evaporator pipe ends so that water does not enter it.
(1) Evaporator
Working Light Switch
1. Remove the outer roof, and disconnect the working light switch
connector (2) from the working light switch (1).
2. Perform the following checkings 1) and 2).
(1) Working Light Switch
1) Connector Voltage
1. Turn the main switch ON.
2. Measure the voltage with a voltmeter between the terminal 5 and
chassis.
3. If the voltage differs from the battery voltage, the wiring harness,
fuse or main switch is faulty.
Voltage Terminal 5 – Chassis
2) Working Light Switch
1. Check the continuity through the switch with an ohmmeter.
2. If continuity specified below is not indicated.
Terminal
Position
OFF
Working light
switch
ON
(1) Working Light Switch
(2) Working Light Switch Connector
(Switch Side)
10-S49
(2) Working Light Switch Connector
Approx. battery voltage
5 6 3 1
(3) Working Light Switch Connector
(Wiring Harness Side)
KiSC issued 02, 2007 A
CABIN
W1027811
W1027926
2
W1028024