DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1. REPLACE BCM
When DTC U1010 is detected, replace BCM.
Replace BCM. Refer to BCS-79, "Removal and Installation".
U1000 CAN comm circuit
P1610 lock modeHeated seat switches (if so equipped)
The front seats are warmed by built-in heaters.
1. Start the engine.
2. Push the LO or HI position of the switch, as
desired. The indicator light in the switch will
illuminate.
The heater is controlled by a thermostat,
automatically turning the heater on and off.
The indicator light ...
Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic Worksheet during the interview to
document the facts and conditions when the noise occurs and any customer's
comments; refer to RF-144, "Diagnos ...
Oil viscosity
The engine oil viscosity or thickness changes
with temperature. Because of this, it is important
to select the engine oil viscosity based on the
temperatures at which the vehicle will be operated
before the next oil change. Choosing an oil
viscosity other than that recommended could
cause seri ...