Volvo TAD650VE Workshop Manual page 94

Diagnostic Trouble Codes
92
Checking IEGR coil
1. NOTE! Cut the current with the main switch.
2. Remove the connector from the IEGR solenoid .
3. Use multimeter 9812519 to measure the resis-
tance in the IEGR coil.
Measurement points
1 – 2
Checking IEGR solenoid
1. NOTE! Cut the current with the main switch.
2. Remove the IEGR solenoid.
Please see the workshop manual for TAD650-
760VE Group 21-26, for reference how to remove
the IEGR solenoid.
3. Connect a 24 volt power supply to the IEGR elec-
trical connection. The solenoid should now make
a click when alter its position.
Group 30: Electrical system
Nominal value
R ≈ 28 – 42 Ω