Inspect Preheating Timer Circuit; No. 1 Glow Plug Relay; Inspect Relay Continuity - Toyota 1PZ Repair Manual

STARTING SYSTEM - Pre-Heating System (Super Glow Type)
INSPECTION OF COMPONENTS
Pre-Heating Timer
LOCATION:
PZJ, HZJ, HDJ Under the instrument panel on the pas-
senger side.
HZB, HDB Under the instrument panel center.

INSPECT PREHEATING TIMER CIRCUIT

Disconnect the connector from the pre-heating timer, and
check the connector on the wire harness side as shown in
the following chart.

No. 1 Glow Plug Relay

LOCATION: In the engine compartment on the left side.
1.

INSPECT RELAY CONTINUITY

(a) Using an ohmmeter, check that there is continuity
between terminals E and g.
(b) Check that there is no continuity between terminals B
and G.
If continuity is not as specified, replace the relay.
ST-5