Replacement
ComponentsLost Communication with ECM / PCM "A" (U0100,U0101,U0123,U0126,U0129,U0142,U0155)
DESCRIPTION
When a malfunction is detected between various ECUs and sensors, these DTCs are
stored.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM / PCM "A"
...
Horn Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HORN RELAY ASSEMBLY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Connection
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT GENERATOR BRUSH HOLDER ASSEMBLY
(a) Using a vernier caliper, measure the brush length.
Text in Illustration
*a
Length
Standard exposed length:
9.5 to 11.5 mm (0.374 to 0.453 in.)
Minimum ex ...