Service glossary

SPEAK THE LANGUAGE.

A quick reference for the abbreviations and diagram conventions you’ll encounter. The original publication’s legend always governs its drawings.

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ABS: Anti-lock braking system
DTC: Diagnostic trouble code
PCM: Powertrain control module
BCM: Body control module
RCM: Restraints control module
SRS: Supplemental restraint system
LH / RH: Left-hand / right-hand, using the orientation specified in the manual
NVH: Noise, vibration and harshness
TPMS: Tire pressure monitoring system
PID: Parameter identification: a data value displayed by a diagnostic tool
Ti-VCT: Twin independent variable camshaft timing
MT82: The six-speed manual transmission family identified in the supplied manual
SAE gross / net: Different engine-power test standards; do not treat the figures as directly equivalent
Torque + angle: A tightening specification requiring both a torque setting and a subsequent rotation
PC/ED: Powertrain Control / Emissions Diagnosis
WOT: Wide-open throttle
KOEO / KOER: Key on, engine off / key on, engine running
CAN: Controller Area Network
Connector / pin: A connector identifier names the connection; the cavity or pin number identifies a specific terminal. Use the source’s connector view and orientation.
Wire color / circuit number: Letter codes and circuit numbers identify conductors. Decode them with the legend in the applicable wiring publication; do not infer a wire from color alone.
Ground / splice: Ground points and splices are different connections. Their identifiers lead to location or connector views in the source.
Numbered callout / arrow: Callouts associate a drawing with a part or step. Arrows may indicate direction, movement, or a location; read the accompanying note.
Warning / notice / note: Warnings address potential harm; notices address potential damage; notes add context. Keep each attached to the step it qualifies.

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