Page text (OCR transcript)
BE-185
BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM
INSPECTION PROCEDURE
1 Check voltage between terminal IDL of ECU connector and body ground.
ON
P (1) Remove cruise control ECU with connectors still connected.
(2) Disconnect ECM and ABS & TRAC ECU connector.
C (1) Turn ignition switch ON.
(2) Measure voltage between terminal IDL of ECU connector and body ground, when the throttle valve is fully closed and fully opened.
OK
Throttle valve position Voltage
Fully opened 10 – 14 V
Fully closed Below 8 V
IDL
BE3841 BR3721
NOB763
NG
OK Proceed to next circuit inspection shown on matrix chart (See page BE–170).
2 Check throttle position sensor.
P Disconnect throttle position sensor connector.
C Measure resistance between terminals 1 and 2 of throttle position sensor connector, when the throttle valve is fully closed and fully opened.
OK
Throttle valve position Voltage
Fully opened 1 MΩ or higher
Fully closed Below 2 Ω
BR3721
OK
NG Replace throttle position sensor.
3 Check for open and short in harness and connector between ECU and throttle position sensor, throttle position sensor and body ground (See page IN–30).
OK
NG Repair or replace harness or connector.
Check and replace ECU.