Volvo TAD650VE Workshop Manual page 72

Diagnostic Trouble Codes
70
Checking the sensor cable for an open circuit or
short-circuit:
NOTE! Cut the current with the main switch.
•
Disconnect the connector from the sensor.
•
Connect adapter cable 885675 to the cable har-
ness connector to the engine control unit.
•
Remove connector B from the engine control unit.
•
Use multimeter 9812519 to do a resistance mea-
surement against the engine control unit connec-
tor B.
Measurement points
2 (885675)– 27 (EMS 2, conn.B) R ≈ 0 Ω
2 (885675)– 18 (EMS 2, conn.B) R ≈ ∞ Ω
1 (885675)– 27 (EMS 2, conn.B) R ≈ ∞ Ω
1 (885675)– 18 (EMS 2, conn.B) R ≈ 0 Ω
NOTE! Measurement is done to eliminate short circuiting or
breaks in the cable to the engine control unit.
Group 30: Electrical system
Nominal value