Table of Contents
Advertisement
01–28
ON
AVENSIS REPAIR MANUAL (RM1018E)
INTRODUCTION
–
HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
S
Do not apply heat directly to the parts in the ECU.
3.
WATER SPRINKLING METHOD: When the malfunc-
tion seems to occur on a rainy day or in high–humid-
ity.
(a)
Sprinkle water onto the vehicle and check if the malfunc-
tion occurs.
NOTICE:
S
Never sprinkle water directly onto the engine
compartment, but indirectly change the temperature
and humidity by spraying a mist of water onto the ra-
D25085
diator front surface.
S
Never apply water directly onto the electronic compo-
nents.
HINT:
If a vehicle is subject to water leakage, the leaking water may
contaminate the ECU. When testing a vehicle with a water leak-
age problem, this factor must also be considered.
4.
OTHERS: If the malfunction seems to occur when
electrical load is excessive.
(a)
Turn on all the electrical equipment including the heater
blower, headlights, rear window defogger, etc., and check
if the malfunction occurs.
B02389
http://vnx.su
Advertisement
Table of Contents
