Vauxhall Workshop Service and Repair Manuals

No.

TECH 1-Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

22

TPS LOAD SIGNAL

Engine running at idle speed, operating  temperature

-

54, 19

Throttle valve CLOSED (accelerator pedal in idle position)

9 to 16 %

Throttle valve OPEN (accelerator pedal fully depressed)

70 to 96 %

Note:

The ENGINE LOAD SIG and the TPS LOAD SIGNAL are prepared throttle valve potentiometer signals.

The only influencing variable for these signals is the throttle valve signal.

Possible causes of fault:

·   Air leak in intake system

·   Mass air flow meter defective; trouble codes 73, 74

·   Engine speed sensor signal faulty; trouble codes 19, 31

·   Lead connection from throttle valve potentiometer P 34 / Ter. 3 to control unit K 61 / Ter. 53 interrupted.

·   Control unit K 61 defective

·   Lead connection from control unit K 61 / Ter. 19 to ground interrupted