Checking The Starter Motor: Notes

NOTE: To carry out this test, the battery must be fault free and the starter motor relay must be checked and there must be no diagnostic trouble codes (DTCs) stored for the symptom.

WARNING: If the engine cooling fan is running, wait until it has stopped.

Fig 1: Identifying Ignition In Off Position

Courtesy of VOLVO CARS CORPORATION

Ignition off.
For vehicles with automatic transmission:
The gear selector shall be in position P or N.
For vehicles with manual transmission:
The gear lever shall be in neutral position.
Parking brake applied.
The function of the control solenoid must be checked by temporarily bridging the power supply between terminal #6/25:1 (#B1) and the control signal for the starter motor relay terminal #6/25:2 (#A1).
The control solenoid must click and the starter motor must turn.

Other information

Fig 2: Identifying Starter Motor Connector And Voltage Feed Cable
Courtesy of VOLVO CARS CORPORATION

Does the starter motor turn?

YES
Refer to VOLTAGE DROP IN WIRING TO STARTER MOTOR
NO
Refer to CHECKING THE STARTER MOTOR