CODE 26 XX -- THROTTLE SOURCE/ENGINE COOLANT SOURCE NOT DETECTED

WTEC III ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL

CODE 26 XX -- THROTTLE SOURCE/ENGINE COOLANT SOURCE

NOT DETECTED

Main code 26 occurs when the ECU has not detected either a throttle source or an engine coolant source.

Main

Code

Subcode

Meaning

Throttle source not detected

Engine coolant source not detected

Code 26 00 means that the ECU has not detected the presence of engine throttle data or analog circuitry. For details

about or using Pro-Link to select a throttle source, see WTEC III Pro-Link Manual.

Code 26 11 means that the ECU has not detected the presence of engine coolant temperature data or analog

circuitry. For details about or using Pro-Link to select an engine coolant temperature source, see WTEC III Pro-

Link Manual.

Active Indicator Clearing Procedure

Power down

Manual

Troubleshooting

1. When code 26 00 is logged and an analog TPS is known to be installed, refer to code 21 XX for

troubleshooting steps. If a J1587 or J1939 throttle signal is used, refer to code 66 00 for trouble-

shooting steps.

2. When code 26 11 is logged and if an analog engine coolant temperature sensor is being used, refer

to code 62 XX for troubleshooting steps. If a J1587 or J1939 engine coolant temperature signal is

being used, refer to code 66 00 for troubleshooting steps.

0021 0073