G34771
ECM
E24
66
C11
Combination
Meter Assy
W (V--W)
10
SPD
54
74
W (V--W)
V--R
J19
J/C
D24
Diode (Speed)
--
DIAGNOSTICS
ECD SYSTEM (1ND--TV)
05--125
COROLLA Supplement (RM1129E)
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
Read freeze frame data using an intelligent tester ll. Freeze frame data record the engine condition when
malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was
moving or stationary, if the engine was warmed up or not, and other data from the time the malfunction oc-
curred.
1
CHECK OPERATION OF SPEEDOMETER
(a)
Check the speedometer reading in the combination meter.
HINT:
If the vehicle speed sensor has any malfunctions, the speedometer shows abnormal readings.
OK: The speedometer operates normally.
NG
CHECK SPEEDOMETER CIRCUIT (INCLUDE
SPEED SENSOR)
OK
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E