Toyota 1 MZ–FE Manual page 539

INSPECTION PROCEDURE
Check operation of speedometer.
Drive the vehicle and check if the operation of the speedometer in the combination meter is normal,
HINT: The vehicle speed sensor is operating normally if the speedometer display is normal.
Check for short in harness and connector between terminal SP1 of
ECM and body ground.
Check voltage between terminal SP1 of ECM and body ground.
1MZ–FE ENGINE – CIRCUIT INSPECTION
Check speedometer circuit. See
combination meter troubleshooting on
page BE–66.
(1) Remove glove compartment
(See page EG2–309).
(2) Disconnect the E10 ECM connector.
Check continuity between terminal SP1 of ECM
and body ground.
No continuity (1 M
Repair or replace harness or connector.
Turn ignition switch ON.
Measure voltage between terminal SP1 of ECM
and body ground.
Voltage: 9 –14 V
Check for open in harness and connector
between J/B No.3 and ECM (See page
IN–31).
EG2–539
or higher)