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

Ignition Timing
Base Ignition Timing [1]
At idle 5° BTDC
Advance Ignition Timing [2]
At idle 10° BTDC At Idle

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

Engine Coolant Temperature Sensor Resistance
At 68° F (20° C) 2.5 KOhms
At 176° F (80° C) 300 Ohms

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

TDC Sensor
Approximate Voltage at idle 2.0 - 2.5v (needle fluctuates)

Throttle Position Sensor Adjustment Voltage
At Curb Idle 0.48 - 0.52 Volts

[1] Refer to ADJUSTMENT PROCEDURES.
[2] Not adjustable.