Mitsubishi 1989-1993 GALANT Service Manual page 391

FUEL SYSTEM <DOHC> - Service Adjustment Procedures
TSB Revision
(2) If a scan tool is not used, perform the following operation.
and connect the special tool (test harness) between the
disconnected connectors.
al (red clip, sensor ground) and the @I terminal (blue clip,
sensor output) of the throttle-position sensor connec-
tor.
<From 1990 models>
use the special tool (test harness set) between the
disconnected connector.
(sensor output) of the throttle position sensor and
terminal @ (sensor ground).
(3) Switch ON the ignition switch.
(Do not start the engine.)
(4) Check the throttle-position sensor's output voltage.
When a scan tool is used, select Item No.14 to read the
throttle position sensor output voltage.
Standard value: 0.48-0.52 V.
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