Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Electrical Specifications

Advanced Ignition Timing [2]
At idle 15° BTDC

Base Ignition Timing [1]
At idle 5° BTDC

EGR Temperature Sensor Resistance [3]
At 122° F (50° C) 60 - 83 kOhms
At 212° F (100° C) 11 - 14 kOhms

EGR Control Solenoid Valve Resistance
At 68° F (20° C) 36 - 44 Ohms

Throttle Position Sensor Adjustment Voltage
At curb Idle 0.4 - 0.1 Volts

Throttle Position Sensor Resistance
Resistance 3.5 - 6.5 kohms

[1] Refer to ADJUSTMENT PROCEDURES.
[2] Not adjustable.
[3] California Only.