Toyota 2003 COROLLA, Repair Manual Supplement

Page: 771 / 923

19123--01
A96221
(second)
10
3
0.4
0
8.5
--20--15
--4 5
0
32
15
59
(
_
C)
(
_
F)
Light Lightning Duration
Engine Coolant Temperature
A96717
Pre
--heating
Time
(second)
10
0
10.5
8.4
8
7.4
6.8
6
4.7
4
12 12.5 13 13.5 14.5 14
Battery Voltage [V]
19--12
-- STARTING & CHARGING PRE--HEATING SYSTEM (1ND--TV)
COROLLA Supplement (RM1129E)
PRE--HEATING SYSTEM (1ND--TV)
ON--VEHICLE INSPECTION
NOTICE:
Turn the ignition switch to OFF for 60 seconds before performing the following procedures.
1. INSPECT LIGHTING DURATION OF GLOW INDICA-
TOR LIGHT
(a) Turn the ignition switch to ON and measure the lighting
duration.
Standard:
The glow indicator lights up depending on the engine
coolant temperature.
If the result is not as specified, check the ECM, engine coolant
temperature sensor, glow plug and glow plug relay.
2. INSPECT PRE--HEATING
(a) Turn the ignition switch to ON and measure the how long
it takes for the battery voltage to be applied to the glow
plugs.
Standard:
Engine Coolant Temperature Pre--heating Time
40
_
C (104
_
F) or higher 1 second
40
_
C (104
_
F) or lower
As indicated in the illustration
(15 seconds at the longest)
If the result is not as specified, check the ECM, engine coolant
temperature sensor, glow plug and glow plug relay.
(b)
Turn the ignition switch to STA and check the battery volt-
age is applied to the glow plugs.
(c) While cranking the engine,measure the how long it takes
for the battery voltage to be applied to the glow plugs.
Standard:
Engine Coolant Temperature Pre--heating Time
40
_
C (104
_
F) or higher 1 second
40
_
C (104
_
F) or lower
As indicated in the illustration
(15 seconds at the longest)
NOTICE:
Do not start the engine.
If the result is not as specified, check the ECM, engine coolant
temperature sensor, glow plug and glow plug relay.
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