PROCEDURE
CHECK AUXILIARY BATTERY
Note
If the auxiliary battery is fully depleted or "READY" does not light up, recharge the auxiliary battery. Check the auxiliary battery again before the vehicle is returned to the customer.
Check the auxiliary battery for damage or deformation.
If there is damage, deformation or leakage, replace the auxiliary battery.
Eliminate any surface charge.
Drive the vehicle, and stop the engine.
Within 20 seconds after the engine is stopped, turn the power switch ON, and turn on electrical systems (the headlights, blower motor and rear window defogger, etc.).
Turn the power switch OFF, and turn off the electrical systems.
Wait 20 minutes, and then measure the auxiliary battery voltage.
Measure the voltage according to the value(s) in the table below.
| Standard voltage | ||||||
|---|---|---|---|---|---|---|
|
Tech Tips
If the voltage is not as specified, charge the auxiliary battery.
CHECK AUXILIARY BATTERY TERMINAL AND FUSE
Visually check the auxiliary battery terminals.
Check that the auxiliary battery terminals are not loose or corroded.
Check the H-fuses, M-fuses and fuses.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | ||||||||
|---|---|---|---|---|---|---|---|---|
|
If the results are not as specified, replace the H-fuses, M-fuses and fuses as necessary.