854696 Volvo.Penta Tube

Table 1
Diagnostic Codes Table    
Code    Conditions which Generate this Code    System Response    
168-0 Electrical System Voltage : High     The battery supply voltage is greater than 32 VDC for two seconds.
The engine's ECM has been powered for three seconds.
The engine is not being cranked.     The code is logged.    
168-1 Electrical System Voltage : Low     The battery supply voltage is less than nine VDC for two seconds.
The engine's ECM has been powered for three seconds.
The engine is not being cranked.    
168-2 Electrical System Voltage : Erratic, Intermittent, or Incorrect     The engine is running. The battery voltage falls below nine VDC for at least .06 seconds. The voltage returns above nine VDC.
or
Three voltage readings in the last seven seconds were below nine VDC.     If the engine is running, the code is logged.    Use this test if there are intermittent engine shutdowns or if a difficulty in starting is not accompanied by loss of electrical accessories. Engine shutdowns that are accompanied by a loss of other electrical accessories indicate a problem in the keyswitch. This does not indicate a problem in the wiring at the ECM. Verify that there are no problems with the starting system or with the charging system before you use this test.There is an unswitched +Battery connection and an unswitched ground connection to the ECM. The ECM receives battery voltage through the number