Checking Electrical Control System - wsm L503 Workshop Manual

L3130 · L3430 · L3830 · L4630 · L5030, WSM

(2) Checking Electrical Control System

CAUTION
• For checking of electric circuit, use the circuit tester and test function of IntelliPanel (See page 9-S13).
• As for the checking of sensors, switches and solenoid, do the following order; check the battery, fuse and
grounding line first, check by the test function of IntelliPanel next, and check the connectors of panel or
electronic control unit. If any defect is found there, check individual sensors, switches or solenoids to see
whether the defect exists at the sensor, switch and solenoid side or at the wire harness side.
• When the normal function is restored as the result of replacement of the part which is suspected to see
that the trouble is regenerated.
IMPORTANT
• When connecting or disconnecting the connector for the purpose of checking, be sure to turn OFF the
main switch before hand. Moreover, pay attention not to allow the terminal to come in contact with other
terminal or chassis while checking.
• When applying the test pin of the tester to the connector terminals, use care not to damage to the
connector terminal.
(A) Check the Fuse and Connector
Speed Unit Selection Mode (Mode "J")
(Input the traveling speed unit to the IntelliPanel)
1. Select mode "J" (See page 9-S12 "Mode Selection").
2. "12" is displayed (b), and existing number is flashing.
(Reference)
• "1" : Traveling speed unit is "mph"
"2" : Traveling speed unit is "km/h"
3. To change the setting, select an appropriate number, and input
to the IntelliPanel. Each time display mode switch is pressed, the
flashing number shifts. And then, hold down switch for more than
2 seconds with the number flashing.
4. "OK" is displayed (c) : The code number has been input
correctly.
"NG" is displayed (d) : The code number has not been input
correctly. Repeat the procedure.
5. Turn off the main switch to end the mode "J".
(a) Mode Selection Display
(b) Input Display
Checking Fuse
1. Check the fuse.
2. If any of the fuses is blown, replace it with the one having same
capacity. (Refer to page G-36.)
IMPORTANT
• If a fuse is blown, check the cause and be sure to replace it
with the one having same capacity.
9-S20
ELECTRICAL SYSTEM
(c) Correct Preserving Display
(d) Incorrect Preserving Display
W1015386
W1034998
KiSC issued 02, 2007 A